Added some symfony docs

Author: Nyholm

components/symfony-bundle.rst

@@ -35,8 +35,25 @@ WebUI
 .. code-block:: yaml
 
     // routing_dev.yml
-    _translation:
+    _translation_webui:
         resource: "@TranslationBundle/Resources/config/routing_webui.yml"
         prefix:  /admin
 
 Go to http://localhost.dev/app_dev.php/admin/_trans
+
+Symfony Profiler Integration
+----------------------------
+
+.. code-block:: yaml
+
+    // config.yml
+    translation:
+      locales: ["sv", "en"]
+      symfony_profiler:
+        enabled: true
+
+.. code-block:: yaml
+
+    // routing_dev.yml
+    _translation_profiler:
+        resource: '@TranslationBundle/Resources/config/routing_symfony_profiler.yml'