Add some extra linters

flake8-docstrings (wraps pydocstyle)). Forces you to use comments on every function though.
flake8-broken-line
darglint
flake8-eradicate
vulture
pep8-naming

Nice summary of all the error codes here
https://wemake-python-stylegui.de/en/latest/pages/usage/violations/index.html