Vessim

What's Changed
* Several API changes to `Environment` 175 176 183
* Bugfix for infinitely running co-simulation 179
* GridSim is now time-based by 181
* HistoricalSignal rewrite and documentation 184
* Website Rework 190

**Full Changelog**: https://github.com/dos-group/vessim/compare/0.4.0...0.5.0

What's Changed

* Entirely reworked scenario API
* `HistoricalSignal.from_dataset(...)` can now load read-to-use datasets. So far we included datasets provided by [Solcast](https://solcast.com/) and [Watttime](https://watttime.org/)

**Full Changelog**: https://github.com/dos-group/vessim/compare/0.3.2...0.4.0