docs: fix the badge links on README and improve the content

README.md

@@ -4,10 +4,10 @@
 
   A minimal, responsive and feature-rich Jekyll theme for technical writing.
 
-  [![Gem Version](https://img.shields.io/gem/v/jekyll-theme-chirpy?color=brightgreen)](https://rubygems.org/gems/jekyll-theme-chirpy)
+  [![Gem Version](https://img.shields.io/gem/v/jekyll-theme-chirpy?color=brightgreen)][gem] 
-  [![CI](https://github.com/cotes2020/jekyll-theme-chirpy/actions/workflows/ci.yml/badge.svg)](https://github.com/cotes2020/jekyll-theme-chirpy/actions/workflows/ci.yml)
+  [![CI](https://github.com/cotes2020/jekyll-theme-chirpy/actions/workflows/ci.yml/badge.svg?branch=master&event=push)][ci] 
-  [![Codacy Badge](https://app.codacy.com/project/badge/Grade/4e556876a3c54d5e8f2d2857c4f43894)](https://www.codacy.com/gh/cotes2020/jekyll-theme-chirpy/dashboard?utm_source=github.com&utm_medium=referral&utm_content=cotes2020/jekyll-theme-chirpy&utm_campaign=Badge_Grade)
+  [![Codacy Badge](https://app.codacy.com/project/badge/Grade/4e556876a3c54d5e8f2d2857c4f43894)][codacy] 
-  [![GitHub license](https://img.shields.io/github/license/cotes2020/jekyll-theme-chirpy.svg)](https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/LICENSE)
+  [![GitHub license](https://img.shields.io/github/license/cotes2020/jekyll-theme-chirpy.svg)][license] 
   [![996.icu](https://img.shields.io/badge/link-996.icu-%23FF4D5B.svg)](https://996.icu)
 
   [**Live Demo →**][demo]
@@ -26,18 +26,18 @@
 
   - Dark / Light Theme Mode
   - Localized UI language
-  - Pinned Posts
+  - Pinned Posts on Home Page
   - Hierarchical Categories
   - Trending Tags
   - Table of Contents
-  - Last Modified Date of Posts
+  - Last Modified Date
   - Syntax Highlighting
   - Mathematical Expressions
-  - Mermaid Diagram & Flowchart
+  - Mermaid Diagrams & Flowcharts
   - Dark / Light Mode Images
   - Embed Videos
   - Disqus / Utterances / Giscus Comments
-  - Search
+  - Built-in Search
   - Atom Feeds
   - Google Analytics
   - SEO & Performance Optimization
@@ -47,13 +47,12 @@
 
 ## Documentation
 
-To explore usage, development, and upgrade guide of the project, please refer to
+To explore usage, development, and upgrade guide of the project, please refer to the [**Wiki**][wiki].
-the [Wiki][wiki].
 
 ## Contributing
 
-Welcome to report bugs, help improve the code or submit new features.
+Reporting bugs and helping to improve source code or documentation is always welcome.
-For more information, please see the ["Contributing Guidelines"][contribute-guide].
+For more information, see the "[Contributing Guidelines][contribute-guide]".
 
 ## Credits
 
@@ -61,25 +60,27 @@ This theme is mainly built with [Jekyll][jekyllrb] ecosystem,
 [Bootstrap][bootstrap], [Font Awesome][icons] and some other [wonderful tools][lib].
 The avatar and favicon design come from [Clipart Max][image].
 
-Thanks to all the [contributors][contributors]. Also, folks who submitted issues
+Many thanks to the [contributors][contributors] who participated in the development
-or unmerged PRs should not be forgotten. Because they reported bugs, shared ideas,
+and to the folks who reported bugs or shared ideas.
-or inspired me to write more readable documentation.
 
-Last but not least, thanks to [JetBrains][jetbrains] for providing the
+Last but not least, thanks to [JetBrains][jetbrains] for providing the _Open Source License_.
-_Open Source Development_ license.
 
 ## Sponsoring
 
 If you'd like to sponsor this project, the following options are available.
 
-[![Ko-fi](https://img.shields.io/badge/-Buy%20Me%20a%20Coffee-ff5f5f?logo=ko-fi&logoColor=white)](https://ko-fi.com/coteschung)
+[![Ko-fi](https://img.shields.io/badge/Support_Me_on_Ko--fi-ff5e5b?logo=ko-fi&logoColor=white)][ko-fi] 
-[![Wechat Pay](https://img.shields.io/badge/-Tip%20Me%20on%20WeChat-brightgreen?logo=wechat&logoColor=white)][donation]
+[![Wechat Pay](https://img.shields.io/badge/Tip_Me_on_WeChat-brightgreen?logo=wechat&logoColor=white)][donation] 
-[![Alipay](https://img.shields.io/badge/-Tip%20Me%20on%20Alipay-blue?logo=alipay&logoColor=white)][donation]
+[![Alipay](https://img.shields.io/badge/Tip_Me_on_Alipay-blue?logo=alipay&logoColor=white)][donation]
 
 ## License
 
-This work is published under [MIT][mit] License.
+This work is published under [MIT License][license].
 
+[gem]: https://rubygems.org/gems/jekyll-theme-chirpy
+[ci]: https://github.com/cotes2020/jekyll-theme-chirpy/actions/workflows/ci.yml?query=event%3Apush+branch%3Amaster
+[codacy]: https://app.codacy.com/gh/cotes2020/jekyll-theme-chirpy/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade
+[license]: https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/LICENSE
 [jekyllrb]: https://jekyllrb.com/
 [bootstrap]: https://getbootstrap.com/
 [icons]: https://fontawesome.com/
@@ -90,5 +91,5 @@ This work is published under [MIT][mit] License.
 [contributors]: https://github.com/cotes2020/jekyll-theme-chirpy/graphs/contributors
 [lib]: https://github.com/cotes2020/chirpy-static-assets
 [jetbrains]: https://www.jetbrains.com/?from=jekyll-theme-chirpy
+[ko-fi]: https://ko-fi.com/coteschung/
 [donation]: https://sponsor.cotes.page/
-[mit]: https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/LICENSE