Add ruff and update files

[emlowe]

Replace black, isort, flake8 and pylint with ruff.
use same ruff.toml as chia-blockchain
update code as needed.

[Quexington]

minor nits. Also, it would be good in the future to have some mechanism where if we update the ruff.toml in chia-blockchain, it propagates somehow downstream.

[emlowe]

Adding ruff.toml to the managed files repo might be a good idea - then it would get added to all repos. The downside is making changes to it is more complicated