diff --git a/swagger.yml b/swagger.yml
deleted file mode 100644
index bd652cfb..00000000
--- a/swagger.yml
+++ /dev/null
@@ -1,1098 +0,0 @@
-swagger: '2.0'
-info:
-    version: 1.0.0
-    title: 'easyappointments-api'
-host: localhost
-basePath: /dev/easyappointments/index.php/api/v1/
-tags:
-    -   name: admins
-    -   name: providers
-    -   name: secretaries
-    -   name: customers
-    -   name: availabilities
-    -   name: unavailabilities
-    -   name: appointments
-    -   name: services
-    -   name: categories
-    -   name: settings
-schemes:
-    #- https
-    - http
-securityDefinitions:
-    ApiKeyAuth:
-        description: "A bearer token is required when accessing or editing administrative data. The value is required to have the following format \"Bearer ##############\""
-        type: apiKey
-        in: header
-        name: Authorization
-paths:
-    # AVAILABILITY
-
-    '/availabilities':
-        get:
-            tags:
-                - availabilities
-            summary: Gets availability
-            parameters:
-                -   name: providerId
-                    in: query
-                    type: integer
-                -   name: serviceId
-                    in: query
-                    type: integer
-                -   name: date
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Availabilities'
-
-    # APPOINTMENTS
-
-    '/appointments':
-        get:
-            tags:
-                - appointments
-            summary: Get all appointments
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-                -   name: aggregates
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Appointment'
-        post:
-            tags:
-                - appointments
-            summary: Create single appointment
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Appointment'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Appointment'
-    '/appointments/{appointmentId}':
-        get:
-            tags:
-                - appointments
-            summary: Get single appointment
-            parameters:
-                -   name: appointmentId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Appointment'
-        put:
-            tags:
-                - appointments
-            summary: Update single appointment
-            parameters:
-                -   name: appointmentId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Appointment'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Appointment'
-        delete:
-            tags:
-                - appointments
-            summary: Delete single appointment
-            parameters:
-                -   name: appointmentId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Appointment'
-                '404':
-                    description: not found
-
-    # UNAVAILABILITY
-
-    '/unavailabilities':
-        get:
-            tags:
-                - unavailabilities
-            summary: Get all unavailabilities
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Unavailability'
-        post:
-            tags:
-                - unavailabilities
-            summary: Create single unavailability
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Unavailability'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Unavailability'
-    '/unavailabilities/{unavailabilityId}':
-        get:
-            tags:
-                - unavailabilities
-            summary: Get single unavailability
-            parameters:
-                -   name: unavailabilityId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Unavailability'
-        put:
-            tags:
-                - unavailabilities
-            summary: Update single unavailability
-            parameters:
-                -   name: unavailabilityId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Unavailability'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Unavailability'
-        delete:
-            tags:
-                - unavailabilities
-            summary: Delete single unavailability
-            parameters:
-                -   name: unavailabilityId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Unavailability'
-                '404':
-                    description: not found
-
-    # CUSTOMERS
-
-    '/customers':
-        get:
-            tags:
-                - customers
-            summary: Get all customers
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Customer'
-        post:
-            tags:
-                - customers
-            summary: Create single customer
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Customer'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Customer'
-    '/customers/{customerId}':
-        get:
-            tags:
-                - customers
-            summary: Get single customer
-            parameters:
-                -   name: customerId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Customer'
-        put:
-            tags:
-                - customers
-            summary: Update single customer
-            parameters:
-                -   name: customerId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Customer'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Customer'
-        delete:
-            tags:
-                - customers
-            summary: Delete single customer
-            parameters:
-                -   name: customerId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Customer'
-                '404':
-                    description: not found
-
-    # SERVICES
-
-    '/services':
-        get:
-            tags:
-                - services
-            summary: Get all services
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Service'
-        post:
-            tags:
-                - services
-            summary: Create single service
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Service'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Service'
-    '/services/{serviceId}':
-        get:
-            tags:
-                - services
-            summary: Get single service
-            parameters:
-                -   name: serviceId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Service'
-        put:
-            tags:
-                - services
-            summary: Update single service
-            parameters:
-                -   name: serviceId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Service'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Service'
-        delete:
-            tags:
-                - services
-            summary: Delete single service
-            parameters:
-                -   name: serviceId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Service'
-                '404':
-                    description: not found
-
-    # CATEGORIES
-
-    '/categories':
-        get:
-            tags:
-                - categories
-            summary: Get all categories
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Category'
-        post:
-            tags:
-                - categories
-            summary: Create single category
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Category'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Category'
-    '/categories/{categoryId}':
-        get:
-            tags:
-                - categories
-            summary: Get single category
-            parameters:
-                -   name: categoryId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Category'
-        put:
-            tags:
-                - categories
-            summary: Update single category
-            parameters:
-                -   name: categoryId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Category'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Category'
-        delete:
-            tags:
-                - categories
-            summary: Delete single category
-            parameters:
-                -   name: categoryId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Category'
-                '404':
-                    description: not found
-
-    # ADMINS
-
-    '/admins':
-        get:
-            tags:
-                - admins
-            summary: Get all admins
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Admin'
-        post:
-            tags:
-                - admins
-            summary: Create single admin
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        items:
-                            $ref: '#/definitions/Admin'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Admin'
-    '/admins/{adminId}':
-        get:
-            tags:
-                - admins
-            summary: Get single admin
-            parameters:
-                -   name: adminId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Admin'
-        put:
-            tags:
-                - admins
-            summary: Update single admin
-            parameters:
-                -   name: adminId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Admin'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Admin'
-        delete:
-            tags:
-                - admins
-            summary: Delete single admin
-            parameters:
-                -   name: adminId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Admin'
-                '404':
-                    description: not found
-
-    # PROVIDERS
-
-    '/providers':
-        get:
-            tags:
-                - providers
-            summary: Get all providers
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Provider'
-        post:
-            tags:
-                - providers
-            summary: Create single provider
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Provider'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Provider'
-    '/providers/{providerId}':
-        get:
-            tags:
-                - providers
-            summary: Get single provider
-            parameters:
-                -   name: providerId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Provider'
-        put:
-            tags:
-                - providers
-            summary: Update single provider
-            parameters:
-                -   name: providerId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Provider'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Provider'
-        delete:
-            tags:
-                - providers
-            summary: Delete single provider
-            parameters:
-                -   name: providerId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Provider'
-                '404':
-                    description: not found
-
-    # SECRETARIES
-
-    '/secretaries':
-        get:
-            tags:
-                - secretaries
-            summary: Get all secretaries
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Secretary'
-        post:
-            tags:
-                - secretaries
-            summary: Create single secretary
-            parameters:
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Secretary'
-            responses:
-                '201':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Secretary'
-    '/secretaries/{secretaryId}':
-        get:
-            tags:
-                - secretaries
-            summary: Get single secretary
-            parameters:
-                -   name: secretaryId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Secretary'
-        put:
-            tags:
-                - secretaries
-            summary: Update single secretary
-            parameters:
-                -   name: secretaryId
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Secretary'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Secretary'
-        delete:
-            tags:
-                - secretaries
-            summary: Delete single secretary
-            parameters:
-                -   name: secretaryId
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Secretary'
-                '404':
-                    description: not found
-
-    # SETTINGS
-
-    '/settings':
-        get:
-            tags:
-                - settings
-            summary: Get all settings
-            parameters:
-                -   name: page
-                    in: query
-                    type: integer
-                -   name: length
-                    in: query
-                    type: integer
-                -   name: sort
-                    in: query
-                    type: string
-                -   name: q
-                    in: query
-                    type: string
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        items:
-                            $ref: '#/definitions/Setting'
-    '/settings/{settingName}':
-        get:
-            tags:
-                - settings
-            summary: Get single setting
-            parameters:
-                -   name: settingName
-                    in: path
-                    type: string
-                    required: true
-            responses:
-                '200':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Setting'
-        put:
-            tags:
-                - settings
-            summary: Update single setting
-            parameters:
-                -   name: settingName
-                    in: path
-                    type: integer
-                    required: true
-                -   name: body
-                    in: body
-                    schema:
-                        $ref: '#/definitions/Setting'
-            responses:
-                '200':
-                    description: successful operation
-                    schema:
-                        $ref: '#/definitions/Setting'
-        delete:
-            tags:
-                - settings
-            summary: Delete single setting
-            parameters:
-                -   name: settingName
-                    in: path
-                    type: integer
-                    required: true
-            responses:
-                '204':
-                    description: success
-                    schema:
-                        $ref: '#/definitions/Setting'
-                '404':
-                    description: not found
-
-# DEFINITIONS
-
-definitions:
-    Availabilities:
-        type: array
-        items:
-            type: string
-
-    Appointment:
-        type: object
-        properties:
-            id:
-                type: integer
-            book:
-                type: string
-            start:
-                type: string
-            end:
-                type: string
-            hash:
-                type: string
-            location:
-                type: string
-            status:
-                type: string
-            notes:
-                type: string
-            customerId:
-                type: integer
-            providerId:
-                type: integer
-            serviceId:
-                type: integer
-            googleCalendarId:
-                type: string
-
-    Unavailability:
-        type: object
-        properties:
-            id:
-                type: integer
-            book:
-                type: string
-            start:
-                type: string
-            end:
-                type: string
-            notes:
-                type: string
-            providerId:
-                type: integer
-
-    Customer:
-        type: object
-        properties:
-            id:
-                type: integer
-            firstName:
-                type: string
-            lastName:
-                type: string
-            email:
-                type: string
-            phone:
-                type: string
-            address:
-                type: string
-            city:
-                type: string
-            zip:
-                type: string
-            notes:
-                type: string
-
-    Service:
-        type: object
-        properties:
-            id:
-                type: integer
-            name:
-                type: string
-            duration:
-                type: integer
-            price:
-                type: string
-            currency:
-                type: string
-            description:
-                type: string
-            availabilitiesType:
-                type: string
-            attendantsNumber:
-                type: string
-            categoryId:
-                type: integer
-
-    Category:
-        type: object
-        properties:
-            id:
-                type: integer
-            name:
-                type: string
-            description:
-                type: string
-
-    Admin:
-        type: object
-        properties:
-            id:
-                type: integer
-            firstName:
-                type: string
-            lastName:
-                type: string
-            email:
-                type: string
-            mobile:
-                type: string
-            phone:
-                type: string
-            address:
-                type: string
-            city:
-                type: string
-            zip:
-                type: string
-            notes:
-                type: string
-            timezone:
-                type: string
-            settings:
-                type: object
-                properties:
-                    username:
-                        type: string
-                    password:
-                        type: string
-                    notifications:
-                        type: boolean
-                    calendarView:
-                        type: string
-
-    Provider:
-        type: object
-        properties:
-            id:
-                type: integer
-            firstName:
-                type: string
-            lastName:
-                type: string
-            email:
-                type: string
-            mobile:
-                type: string
-            phone:
-                type: string
-            address:
-                type: string
-            city:
-                type: string
-            zip:
-                type: string
-            notes:
-                type: string
-            timezone:
-                type: string
-            services:
-                type: array
-                items:
-                    type: integer
-            settings:
-                type: object
-                properties:
-                    username:
-                        type: string
-                    password:
-                        type: string
-                    notifications:
-                        type: boolean
-                    calendarView:
-                        type: string
-                    googleSync:
-                        type: boolean
-                    googleCalendar:
-                        type: string
-                    googleToken:
-                        type: string
-                    syncFutureDays:
-                        type: string
-                    syncPastDays:
-                        type: string
-                    workingPlan:
-                        type: string
-
-    Secretary:
-        type: object
-        properties:
-            id:
-                type: integer
-            firstName:
-                type: string
-            lastName:
-                type: string
-            email:
-                type: string
-            mobile:
-                type: string
-            phone:
-                type: string
-            address:
-                type: string
-            city:
-                type: string
-            zip:
-                type: string
-            notes:
-                type: string
-            timezone:
-                type: string
-            providers:
-                type: array
-                items:
-                    type: integer
-            settings:
-                type: object
-                properties:
-                    username:
-                        type: string
-                    password:
-                        type: string
-                    notifications:
-                        type: boolean
-                    calendarView:
-                        type: string
-
-    Setting:
-        type: object
-        properties:
-            name:
-                type: string
-            value:
-                type: string
-
-externalDocs:
-    description: Find out more about Easy!Appointments
-    url: 'https://easyappointments.org/docs.html'