refactor：拆分 API 路由与请求校验，统一 final 类和代码风格

config/services.php

@@ -1,7 +1,6 @@
 <?php
 
 return [
-
     /*
     |--------------------------------------------------------------------------
     | Third Party Services
@@ -34,5 +33,4 @@ return [
             'channel' => env('SLACK_BOT_USER_DEFAULT_CHANNEL'),
         ],
     ],
-
 ];