Add Hello controller

Author: kenjis

cake-3.2/src/Controller/HelloController.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Controller;
+
+class HelloController extends AppController
+{
+    public $autoRender = false;
+
+    public function index()
+    {
+        $this->response->body('Hello World!');
+        return $this->response;
+    }
+}