Add pre-commit with black formatter and ruff

[t-b]

This makes the code base clean and ready for contribution.

Do you want to work on this issue?

Are you willing and able to work on this feature? If so, let us know here (and see [the guide]
(https://github.com/AllenInstitute/AllenSDK/blob/master/CONTRIBUTING.md)). Thank you!

Need to check, but I guess yes.

[t-b]

And replace flake8.