Revert "Remove obsolete controller."

This reverts commit 494573e5b4122cdd93e9890599729ddbc85c00be.

src/Bundle/ChillWopiBundle/src/Controller/Test.php

@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Chill\WopiBundle\Controller;
+
+use Chill\WopiBundle\Service\OpenStack\OpenStackClientInterface;
+use Symfony\Component\HttpFoundation\Response;
+
+final class Test
+{
+    private OpenStackClientInterface $client;
+
+    public function __construct(OpenStackClientInterface $client)
+    {
+        $this->client = $client;
+    }
+
+    public function __invoke()
+    {
+        dump($this->client);
+
+        return new Response('fobar');
+    }
+}