feature symfony#7375 config:dump-reference now accepts config subpaths (javiereguiluz)

This PR was merged into the master branch.

Discussion
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config:dump-reference now accepts config subpaths

This fixes symfony#7370.

Doc maintainers (@weaverryan, @wouterj and @xabbuh) if you think it's not worth it to document this option, please close this as "won't fix". Thanks!

Commits
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a50ccef config:dump-reference now accepts config subpaths

Author: xabbuh

bundles/installation.rst

@@ -133,6 +133,21 @@ The output will look like this:
         node_paths:           []
         # ...
 
+.. tip::
+
+    For complex bundles that define lots of configuration options, you can pass
+    a second optional argument to the ``config:dump-reference`` command to only
+    display a section of the entire configuration:
+
+    .. code-block:: terminal
+
+        $ bin/console config:dump-reference AsseticBundle use_controller
+
+        # Default configuration for "AsseticBundle" at path "use_controller"
+        use_controller:
+            enabled:              '%kernel.debug%'
+            profiler:             false
+
 Other Setup
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