Econpizza

Major revamp of base routines and interfaces. Fully new documentation on readthedocs.

**Full Changelog**: https://github.com/gboehl/econpizza/compare/0.4.7...0.5.0

Hotfix tutorial in documentation

**Full Changelog**: https://github.com/gboehl/econpizza/compare/0.4.6...0.4.7

Adjusting tutorials to new workflow.

What's Changed
* add tank example by andkound98 in https://github.com/gboehl/econpizza/pull/4
* Add further examples. by SvenEis in https://github.com/gboehl/econpizza/pull/5
* Add further examples. by JoseLores in https://github.com/gboehl/econpizza/pull/6

New Contributors
* andkound98 made their first contribution in https://github.com/gboehl/econpizza/pull/4
* SvenEis made their first contribution in https://github.com/gboehl/econpizza/pull/5
* JoseLores made their first contribution in https://github.com/gboehl/econpizza/pull/6

**Full Changelog**: https://github.com/gboehl/econpizza/compare/0.4.4...0.4.6

**Full Changelog**: https://github.com/gboehl/econpizza/compare/0.4.3...0.4.4

**Full Changelog**: https://github.com/gboehl/econpizza/compare/0.4.2...0.4.3