Also, remove a bunch of flake errors that we are not causing

resolve linting errors flagged by mypy
ignore mypy errors in ipam and _ipam as there modules are scheduled to be reworked at a later point in time
move setup.py functionality into pyproject.toml

Add ruff, isort, black, and mypy to the tox suite
Add pyproject.toml with settings compatible with orchestrator-core codestyle