add cs fixer and PHPStan and activate it (build 436)

src/ZM/Annotation/Swoole/OnTaskEvent.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace ZM\Annotation\Swoole;
 
@@ -7,10 +8,9 @@ use Doctrine\Common\Annotations\Annotation\Target;
 
 /**
  * Class OnTaskEvent
- * @package ZM\Annotation\Swoole
  * @Annotation
  * @Target("METHOD")
  */
 class OnTaskEvent extends OnSwooleEventBase
 {
-}
+}