Make it easier to run the ruff

[chirag127]

I would appreciate if a command ruff . can be there to lint all the files in the current working directory.

[charliermarsh]

Hmm, ruff . should already work. What happens when you run that command?

[chirag127]

Hmm, ruff . should already work. What happens when you run that command?

Ah it's already there, i think it might be better to write it in the document. So, I have made a pull request for it.

[charliermarsh]

Closed by #2307.