Apply fixes from StyleCI

Author: StyleCIBot

src/Http/Exceptions/Handler.php

@@ -1,10 +1,19 @@
 <?php
 
+/*
+ * This file is part of the jiannei/laravel-response.
+ *
+ * (c) Jiannei <jiannei@sinan.fun>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
 namespace Jiannei\Response\Laravel\Http\Exceptions;
 
 use Jiannei\Response\Laravel\Support\Traits\ExceptionTrait;
 
 class Handler extends \Illuminate\Foundation\Exceptions\Handler
 {
     use ExceptionTrait;
-}
+}