Update Documentation

Handle the operational workflow around docs.tenzir.com changes.

Workflow

1. Ensure .docs/ exists and is up to date by cloning tenzir/docs or fetching from origin.
2. Create or check out a topic branch in .docs/ that matches the parent repo branch name.
3. Author the content update in .docs/ using the docs repository's own documentation guidance and conventions.
4. Run relevant documentation checks if the docs repository provides them.
5. File a tenzir/docs pull request from .docs/.
6. Cross-link the pull requests using one shared compact footer pattern:
   • In the docs PR, append a final <sub>...</sub> footer block that links the code PR and references the same Linear issue(s), for example ⚙️ Code PR: tenzir/tenzir#6048<br>🎫 References TNZ-150, TNZ-151.
   • In the code PR, append or extend the final <sub>...</sub> footer with