minor #13142 Updated route annotations config path (abdounikarim)

This PR was submitted for the 5.0 branch but it was merged into the 4.4 branch instead.

Discussion
----------

Updated route annotations config path

I updated path and content file.

Commits
-------

432a1d6 Update routing.rst

Author: OskarStark

routing.rst

@@ -34,10 +34,14 @@ following configuration file:
 
 .. code-block:: yaml
 
-    # config/routes.yaml
+    # config/routes/annotations.yaml
     controllers:
-        resource: '../src/Controller/'
-        type:     annotation
+        resource: '../../src/Controller/'
+        type: annotation
+        
+    kernel:
+        resource: ../../src/Kernel.php
+        type: annotation
 
 This configuration tells Symfony to look for routes defined as annotations in
 any PHP class stored in the ``src/Controller/`` directory.