Adding pre commit

[emarondan]

• added config files for pre-commit hooks
• excluding bandit checks and test dir
• added pre-commit to github CI checks
• running pre-commit hooks for all the code

[Gallaecio]

Looks like pylint and typing do not pass.

Not sure why the typing issues, I see mypy is frozen and you have not upgraded it, so in theory tests should pass. Let me know if you have a hard time figuring that one out and I’ll look into it myself.