minor #8253 [Routing] Add URI scheme enforcement annotation example (michaelperrin)

This PR was merged into the 2.7 branch.

Discussion
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[Routing] Add URI scheme enforcement annotation example

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35ca18e [Routing] Add URI scheme enforcement annotation example

Author: xabbuh

routing/scheme.rst

@@ -10,6 +10,25 @@ the URI scheme via schemes:
 
 .. configuration-block::
 
+    .. code-block:: php-annotations
+
+        // src/AppBundle/Controller/MainController.php
+        namespace AppBundle\Controller;
+
+        use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+        use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
+
+        class MainController extends Controller
+        {
+            /**
+             * @Route("/secure", name="secure", schemes={"https"})
+             */
+            public function secureAction()
+            {
+                // ...
+            }
+        }
+
     .. code-block:: yaml
 
         # app/config/routing.yml