Publishing notes

To develop and test, see the "Developer Installation" in the README.

To publish:

Edit pyproject.toml to bump version
Update README.md (use pydoc blink1.blink1.Blink1 > api.txt to generate new API ref)
Check can build with python3 -m build
Check changes into git
Publish to PyPI with: (must have pypi API token handy)

python3 -m pip install --upgrade twine
python3 -m build
# to test
python3 -m twine upload --repository testpypi dist/*
# for reals
python3 -m twine upload dist/*

Verify new version on PyPi: https://pypi.org/project/blink1/