RELEASING.md

Releasing

To release a new version of emtd, follow these steps:

1. Run ruff format
2. Commit & push everything
3. Update the package's version in pyproject.toml
4. Update CHANGELOG.md
5. Commit & push prep for v_._._ (versio & changelog changes)
6. Trigger a new release on GitHub

Remember to follow Semantic Versioning and keep a changelog.