Adopt linter, formatter, and pre-commit-hooks.

[allemangD]

One of the nitpick issues mentioned in Slicer/ExtensionsIndex#2006 (review)

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Adopt ruff linter/formatter and pre-commit-hooks from Slicer.

Relevant Slicer config files to add:

ruff config at https://github.com/Slicer/Slicer/blob/main/.ruff.toml

pre-commit config at https://github.com/Slicer/Slicer/blob/main/.pre-commit-config.yaml

GitHub actions to automatically run pre-commit at https://github.com/Slicer/Slicer/blob/main/.github/workflows/lint.yml