Repo topics + Hacktoberfest labels/readiness

[ulises-jeremias]

Summary

Set GitHub topics (cli, python, uv, hacktoberfest, etc.).

CNA mapping

CNA: repository topics including hacktoberfest.

Acceptance criteria

• Topics applied on GitHub
• Hacktoberfest label exists (done) and contributing path clear

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

#10