minor #1016 [StimulusBundle] Adding missing not about ux_controller_link_tags (weaverryan)

This PR was merged into the 2.x branch.

Discussion
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[StimulusBundle] Adding missing not about ux_controller_link_tags

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Tickets       | None
| License       | MIT

This is in the recipe - https://github.com/symfony/recipes/blob/2cf7ec6e8e08f9d9dfa2e21ab7438092b1a69902/symfony/stimulus-bundle/2.9/manifest.json#L40 - but wasn't mentioned here.

Commits
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ae16887 [StimulusBundle] Adding missing not about ux_controller_link_tags

Author: weaverryan

src/StimulusBundle/doc/index.rst

@@ -430,6 +430,17 @@ will import all your custom controllers as well as those from ``controllers.json
 It will also dynamically enable "debug" mode in Stimulus when your application
 is running in debug mode.
 
+Finally, to output any ``autoimport`` CSS files in your ``controllers.json`` file,
+include the ``ux_controller_link_tags()`` function in your base template:
+
+.. code-block:: html+twig
+
+    {% block stylesheets %}
+        {{ ux_controller_link_tags() }}
+
+        <!-- ... -->
+    {% endblock %}
+
 How are the Stimulus Controllers Loaded?
 ----------------------------------------