Uses Ruff as code formater and linter

[dalonsoa]

Description

Replaces flake8, black and other tools with Ruff, which seems to work well, it is easy to configure and we have been using it already in several projects without any problem.

Fixes #56

Type of change

• Documentation (non-breaking change that adds or improves the documentation)
• New feature (non-breaking change which adds functionality)
• Optimization (non-breaking, back-end change that speeds up the code)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (whatever its nature)

Key checklist

• All tests pass (eg. python -m pytest)
• The documentation builds and looks OK (eg. python -m sphinx -b html docs docs/build)
• Pre-commit hooks run successfully (eg. pre-commit run --all-files)

Further checks

N/A

• Code is commented, particularly in hard-to-understand areas
• Tests added or an issue has been opened to tackle that in the future. (Indicate issue here: # (issue))

[TinyMarsh]

I have already started using it also, so I approve!

[dc2917]

Looks good, I think it's about time I started using ruff myself