Release v0.10.1 Docs: Diátaxis Alignment & CI/CD Guides

[PythonWoods-Dev]

Zenzic Docs Release v0.10.1

This PR synchronizes the documentation and CI infrastructure:
• Deploys internal self-testing via zenzic-action in zenzic.yml.
• Updates reference material for the new --ci global flag.
• Adds comprehensive REUSE SPDX licensing headers to new workflows.

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