feature symfony#9489 Document make:crud (weaverryan)

This PR was squashed before being merged into the 4.0 branch (closes symfony#9489).

Discussion
----------

Document make:crud

In MakerBundle 1.2, we have a new `make:crud` command. It's not a huge thing that needs documentation - it just needs to be mentioned.

Commits
-------

21d44fa fixing format + language
fd5bd74 Documenting make:controller and make:crud

Author: weaverryan

controller.rst

@@ -290,6 +290,27 @@ in your controllers.
 
 For more information about services, see the :doc:`/service_container` article.
 
+Generating Controllers
+----------------------
+
+To save time, you can also tell Symfony to generate a new controller class:
+
+.. code-block:: terminal
+
+    $ php bin/console make:controller BrandNewController
+
+    created: src/Controller/BrandNewController.php
+
+If you want to generate an entire CRUD from a Doctrine :doc:`entity </doctrine>`,
+use:
+
+.. code-block:: terminal
+
+    $ php bin/console make:crud Product
+
+.. versionadded::
+    The ``make:crud`` command was introduced in MakerBundle 1.2.
+
 .. index::
    single: Controller; Managing errors
    single: Controller; 404 pages

page_creation.rst

@@ -125,6 +125,14 @@ You can now add your route directly *above* the controller:
 That's it! The page - ``http://localhost:8000/lucky/number`` will work exactly
 like before! Annotations are the recommended way to configure routes.
 
+.. tip::
+
+    To create controllers faster, let Symfony generate it for you:
+
+    .. code-block:: terminal
+
+        $ php bin/console make:controller
+
 .. _flex-quick-intro:
 
 Auto-Installing Recipes with Symfony Flex