FEATURE: add menu for static pages.

This commit adds menu items into admin. No real functionality is done, however registering menu items works, routing works, translations works.

modules/StaticPages/Http/Controllers/Admin/EditStaticPage.php

@@ -0,0 +1,10 @@
+<?php
+namespace Modules\StaticPages\Http\Controllers\Admin;
+
+class EditStaticPage extends Controller
+{
+    public function getEdit($id)
+    {
+        return view('staticpages::index');
+    }
+}