doc: refactor Multi-User Mode area in config document

Author: streamtw

docs/config.md

@@ -11,17 +11,45 @@
 
 ## Multi-User Mode:
 
-| Key                  | Type    | Description                                                                                    |
-|----------------------|---------|------------------------------------------------------------------------------------------------|
-| allow\_private\_folder   | boolean | If true, private folders will be created for each signed-in user.                              |
-| allow\_shared\_folder | boolean | If true, share folder will be created.                                                         |
-| user_field           | string  | Private folders will be named by this. Can receive column name of `users` table or class name. |
+### allow\_private\_folder
 
-### If you want to name private folders other than columns of users table, follow these steps:
-1. Run `php artisan vendor:publish --tag=lfm_handler`.
-2. Fill `App\Handler\ConfigHandler::class` into `user_field`.
-3. Edit `userField()` in the `App\Handler\ConfigHandler`
+* type: `boolean`
+* default: `true`
 
+Only the owner(each signed-in user) of the private can upload and manage files within. Set to `false` to turn this feature off.
+
+### private\_folder\_name
+
+* type: `string`
+* default: user id
+
+Privates folders for each user will be named by this config. Default to user id.
+
+To change the behavior:
+
+1. run `php artisan publish tag="lfm_handler"`
+2. rewrite `userField` function in App\Handler\ConfigHandler class
+3. set value of this config to App\Handler\ConfigHandler::class
+
+### allow\_shared\_folder
+
+* type: `boolean`
+* default: `true`
+
+### shared\_folder\_name
+
+* type: `string`
+* default: `"shares"`
+
+Flexible way to customize client folders accessibility.
+
+If you want to customize client folders:
+
+1. run `php artisan publish tag="lfm_handler"`
+2. rewrite `userField` function in `App\Handler\ConfigHandler` class
+3. set value of this config to `App\Handler\ConfigHandler::class`
+
+All users can upload and manage files within shared folders. Set to `false` to turn this feature off.
 
 ## Working Directory: