refactored admin stuff into own class

src/Controller/AddressBookController.php

@@ -0,0 +1,33 @@
+<?php
+/*
+ * Copyright (c) 2022. Micha Espey <tracer@24unix.net>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ */
+
+namespace App\Controller;
+
+use App\Entity\User;
+use App\Service\Template;
+use App\Repository\UserRepository;
+
+class AddressBookController
+{
+    public function __construct(
+        private readonly Template       $template,
+        private readonly User           $user,
+        private readonly UserRepository $userRepository
+    )
+    {
+    }
+
+    public function main(): void
+    {
+        $this->template->render(templateName: 'index.html.php', vars: [
+            'user' => $this->user
+        ]);
+    }
+
+}