AUR publish tracking + workflow

[ulises-jeremias]

Summary

AUR package automation / mirror tracking (may need sibling repo later).

CNA mapping

CNA: publish-aur.yml + Create-Node-App/aur-package.

Acceptance criteria

• Workflow stub or full publish
• Tracking note for Create-Python-App/aur-package if needed
• Secrets listed in docs

Blocked by

none

Blocks

none

Reference

Parity matrix (workspace): knowledge/create-python-app-parity-matrix.md
Reference repo: https://github.com/Create-Node-App/create-node-app

Parent epic

#9