Foxes

- Adding docu: https://fraunhoferiwes.github.io/foxes.docs/index.html

- Adding support for Python 3.9, 3.10

- New code style, created by _black_
- Small fixes, discovered by _flake8_
- Tests now via _pytest_ instead of _unittest_
- Introducing github workflow for automatic testing

This is the initial release of **foxes** - ready for testing.

So far not many models have been transferred from the Fraunhofer IWES in-house predecessor _flappy_, they will be added in the following versions. Also optimization is not yet included. We are just getting started here!

Enjoy - we are awaiting comments and issues, thanks for testing.

**Full Changelog**: https://github.com/FraunhoferIWES/foxes/commits/v0.1.0