Add templates file in symfony architecture

Seems to miss the templates file. Correct me if I'm wrong.

Author: remi22

page_creation.rst

@@ -281,8 +281,11 @@ project:
 
 ``src/``
     All your PHP code lives here.
+    
+``templates/``
+    All your html.twig code lives here.
 
-Most of the time, you'll be working in ``src/`` (PHP files) or ``config/`` As you
+Most of the time, you'll be working in ``src/`` (PHP files), ``templates/`` or ``config/`` As you
 keep reading, you'll learn what can be done inside each of these.
 
 So what about the other directories in the project?