update docs and add black

.pre-commit-config.yaml

LICENSE

Makefile

README.md

dev_requirements.txt

docs/_themes/flask_theme_support.py

docs/conf.py

docs/index.rst

examples/basic_auth/app.py

examples/basic_auth/app_oldap.py

examples/blueprints/blueprints/app.py

examples/blueprints/blueprints/config.py

examples/blueprints/blueprints/core/views.py

examples/blueprints/blueprints/extensions.py

examples/blueprints/blueprints/foo/views.py

examples/groups/app.py

examples/groups/app_oldap.py

flask_simpleldap/__init__.py

requirements.txt

setup.py