* black and isort for tests
* black and isort for build
* use poetry in Makefile, update pyproject.toml dependencies and add configs for black, pytest, mypy, isort there
* switching github workflow to poetry
* set mininum version to python 3.7
* fix tests
* add types-protobuf to dev packages
* fix cln regtest
* update docs
* try fix 1
* mypy fix2
* fix isort formatting workflow
* add prettier to dev docs
* multiple valid python version for pyproject
* update poetry.lock
* remove development installation, not needed anymore
* fix migration workflows
* format into one test
* fix yaml
* fix pipeline
* fix pipeline
* fix again
* fix
* rename checks
* remove venv tests
* venv test once
Co-authored-by: dni <dni.khr@gmail.com>
