Merge branch 'pip-packaging' into 'master'

.flake8

.gitignore

.gitlab-ci.yml

.pylintrc

Makefile

README.md

docs/deploying.md

docs/settings.py

mypy.ini

pyproject.toml

requirements_dev.txt

setup.cfg

wahlfang/__init__.py

wahlfang/asgi.py

wahlfang/manage.py

wahlfang/settings/__init__.py

wahlfang/settings/base.py

wahlfang/settings/development.py

wahlfang/settings/wahlfang.py

wahlfang/wsgi.py