Add XML/YAML launch file equivalents to Tf2 tutorials (backport #6031)

[mergify]

Description

Add XML/YAML launch file equivalents for intermediate Tf2 tutorials.

• Add XML and YAML equivalents for all Python launch files
• Update tutorial documentation with tabbed multi-format code examples

Fixes #6006

Did you use Generative AI?

Partially - Cursor AI Assistant for generating XML/YAML launch file equivalents and tutorial rephrasing. Each generated line reviewed.

Additional Information

• Launch files are scoped to pages under Tutorials/Intermediate/Tf2/ directory
• All launch file references in the Tf2 tutorial documentation have been updated

  ---

  This is an automatic backport of pull request Add XML/YAML launch file equivalents to Tf2 tutorials #6031 done by Mergify.

[mergify]

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Changes to be committed:
	new file:   source/Tutorials/Intermediate/Tf2/launch/listener_cpp_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/listener_cpp_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/listener_py_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/listener_py_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/py_turtle_tf2_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/py_turtle_tf2_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/py_turtle_tf2_dynamic_frame_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/py_turtle_tf2_dynamic_frame_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/py_turtle_tf2_fixed_frame_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/py_turtle_tf2_fixed_frame_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/start_tf2_debug_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/start_tf2_debug_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_dynamic_frame_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_dynamic_frame_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_fixed_frame_demo_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_fixed_frame_demo_launch.yaml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_sensor_message_launch.xml
	new file:   source/Tutorials/Intermediate/Tf2/launch/turtle_tf2_sensor_message_launch.yaml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   source/Tutorials/Intermediate/Tf2/Adding-A-Frame-Cpp.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Adding-A-Frame-Py.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Debugging-Tf2-Problems.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Learning-About-Tf2-And-Time-Cpp.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Time-Travel-With-Tf2-Cpp.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Using-Stamped-Datatypes-With-Tf2-Ros-MessageFilter.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Writing-A-Tf2-Broadcaster-Cpp.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Writing-A-Tf2-Broadcaster-Py.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Writing-A-Tf2-Listener-Cpp.rst
	both modified:   source/Tutorials/Intermediate/Tf2/Writing-A-Tf2-Listener-Py.rst

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[github-actions]

HTML artifacts: https://github.com/ros2/ros2_documentation/actions/runs/20995750709/artifacts/5126687598.

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