Make the application modular to have a "main" and "backend" part.

app/config/app.yml

@@ -1,9 +1,10 @@
 
 application:
+  modulesDir     : ../app/modules/
   controllersDir : ../app/controllers/
   modelsDir      : ../app/models/
   migrationsDir  : ../app/migrations/
-  viewsDir       : ../app/views/
+  viewsDir       : ../app/views/_common/
   templateDir    : ../app/templates/
   listenersDir   : ../app/listeners/
   libraryDir     : ../app/library/

app/config/routes.yml

@@ -56,3 +56,8 @@ router:
       path:
         controller: api
         action: activationlink
+
+    # Backend
+    backend-home:
+      pattern: '/admin'
+      path: backend::user::index