feat: add Plugins module with base files for plugins architecture

modules/Plugins/Controllers/PluginController.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+use Modules\Admin\Controllers\BaseController;
+
+class Controller extends BaseController
+{
+    public function index(): string
+    {
+        $plugins = service('plugins');
+
+        return view('plugins', [
+            'installedPlugins' => $plugins->getInstalled(),
+        ]);
+    }
+}