Extended documentation for new developers, plus documentation for maintainers by apdavison · Pull Request #274 · python-quantities/python-quantities

…ntainers.

I've also added linting using `ruff`. For now, this doesn't cause a CI failure, but the plan is to get stricter over time.

I've also added a CI config for the EBRAINS GitLab CI to generate test coverage and an associated badge, since I don't have the necessary permissions to set up coveralls.