Add python linting in CI

[Salamandar]

No description provided.

[Psycojoker]

We were kinda talking about maybe moving to ruff8 so I'm not sure this is the right direction '-'

Also I'm more in favor of automatic tooling doing the job in side than making merging PR harder since most of our contributors aren't professional developers in a professional context, I don't think we want to make contributing harder than it's already is :/

[Salamandar]

You’re right, I’ll use ruff instead.

For your second point, i’m not sure i understand : this action is only checking, not committing or creating merge requests.

[Salamandar]

@Psycojoker I reorganized the github actions in two:

• one action only on push on master, that runs black+ ruff --fix (might be redundant), and commits
• one action on push and pull request, that runs ruff (check only) and mypy, only for commit status, no commit.