improve ux in admin configuration interface

Controller/AdminController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Chill\DocStoreBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+
+/**
+ * Class AdminController
+ *
+ * @package Chill\DocStoreBundle\Controller
+ */
+class AdminController extends AbstractController
+{
+    /**
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function indexAction()
+    {
+        return $this->render('ChillDocStoreBundle:Admin:layout.html.twig');
+    }
+    
+    /**
+     * @return \Symfony\Component\HttpFoundation\RedirectResponse
+     */
+    public function redirectToAdminIndexAction()
+    {
+        return $this->redirectToRoute('chill_main_admin_central');
+    }
+    
+}

Controller/DocumentCategoryController.php

@@ -100,7 +100,7 @@ class DocumentCategoryController extends AbstractController
         if ($form->isSubmitted() && $form->isValid()) {
             $this->getDoctrine()->getManager()->flush();
 
-            return $this->redirectToRoute('document_category_edit', [
+            return $this->redirectToRoute('document_category_index', [
                 'bundleId' => $documentCategory->getBundleId(),
                 'idInsideBundle' => $documentCategory->getIdInsideBundle(),]);
         }