Consider RUFF linter

[ross-spencer]

Used by Mozilla, apparently can take the place of a number of other linters: https://github.com/charliermarsh/ruff

[ross-spencer]

The Orcfax template repo is a useful reference for how we can evolve this repo: https://github.com/orcfax/python-template-repo