reorganize and cleanup php server code

server/app/Events/User/Banned.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Vanguard\Events\User;
+
+use Vanguard\User;
+
+class Banned
+{
+    /**
+     * @var User
+     */
+    protected $bannedUser;
+
+    public function __construct(User $bannedUser)
+    {
+        $this->bannedUser = $bannedUser;
+    }
+
+    /**
+     * @return User
+     */
+    public function getBannedUser()
+    {
+        return $this->bannedUser;
+    }
+}