Actions: completeness check

[kevgo]

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When verifying documentation of a group of items that cannot be documented as a simple list I want to be sure it is complete and doesn't contain wrong entries So that I don't forget to update the documentation when the implementation changes.

• [ ] collect all mentioned names when they are tagged in a global list
• [ ] Add a "verify-all-names-listed" action that verifies that all previous calls to "Name-Shirt" and "-long" contain all exported actions and only those.
• [ ] apply to all code bases here