v0.1.0

[gitronald]

• ignore worktrees directory
• plan [add]: 000 - template-upgrade
• activate template upgrade plan
• migrate setup.py to pyproject.toml
• add pre-commit config
• add test and publish workflows and dependabot
• update gitignore with template entries
• update lint and type annotations
• add smoke test
• log template upgrade progress
• update plan with pr url
• update pre-commit ruff rev to match locked ruff
• plan [close]: 000 - upgrade repo to the proj-template standard
• version [patch]: 0.1.0