Rename package from colcon-ansi-colors-example to colcon-ansi-colors

[Copilot]

This PR renames the package from colcon-ansi-colors-example to colcon-ansi-colors throughout the repository to reflect its final production name.

Changes Made

Package Structure

• Renamed Python package directory: colcon_ansi_colors_example/ → colcon_ansi_colors/
• Updated all import paths and references to use the new package name

Configuration Files

• setup.cfg: Updated package name, version attribute reference, GitHub URLs, entry points, test suite name, and coverage configuration
• stdeb.cfg: Updated package name in configuration header
• README.rst: Updated package title and description

Test Files

• Updated test files to reference the new package directory structure
• Modified test_spell_check.py and test_flake8.py to use correct import paths

Verification

• All existing tests continue to pass
• Package imports correctly with new name
• Extension point registration works with colcon-core
• No references to the old package name remain in the codebase

The changes are minimal and surgical, preserving all functionality while updating the package identity. The colcon extension continues to work exactly as before, now under the production package name colcon-ansi-colors.

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[mikepurvis]

In addition to the nit, can you also change the section end color not to be black? I think it should be a faint default, assuming the ansi color codes work that way.

[mikepurvis]

Copilot, please address the prior review feedback

[mikepurvis]

Much better and more readable on a dark terminal:

[MatthijsBurgh]

@mikepurvis Do I understand correctly that you only named the file/class after catkin_tools as the output is styled like catkin_tools? But it should also work ament builds. Am I Correct?

[mikepurvis]

@MatthijsBurgh Yes this is only about the colour style for colcon; what it builds and how is completely unaffected.

(And to clarify, I’m not the author here, this is a fork of @cottsay’s work linked from colcon/colcon-core#487 (comment))