Key Controller + list

controllers/GraphqlKey.php

@@ -0,0 +1,16 @@
+<?php namespace GermanAirlinesVa\Graphql\Controllers;
+
+use Backend\Classes\Controller;
+use BackendMenu;
+
+class GraphqlKey extends Controller
+{
+    public $implement = [        'Backend\Behaviors\ListController'    ];
+    
+    public $listConfig = 'config_list.yaml';
+
+    public function __construct()
+    {
+        parent::__construct();
+    }
+}