add aconfig file

conf/config.php

@@ -0,0 +1,8 @@
+<?php
+class Config
+{
+  const DB_HOST       = 'localhost';
+  const DB_NAME       = '__DB_NAME__';
+  const DB_USERNAME   = '__DB_USER__';
+  const DB_PASSWORD   = '__DB_PWD__';
+}

scripts/install

@@ -150,7 +150,7 @@ ynh_add_config --template="some_config_file" --destination="$install_dir/some_co
 # FIXME: this should be handled by the core in the future
 # You may need to use chmod 600 instead of 400,
 # for example if the app is expected to be able to modify its own config
-chmod 400 "$install_dir/some_config_file"
+chmod 600 "$install_dir/some_config_file"
 chown $app:$app "$install_dir/some_config_file"
 
 ### For more complex cases where you want to replace stuff using regexes,