What's Changed
* Add citation metadata by N-Wouda in https://github.com/N-Wouda/ALNS/pull/139
* Add documentation build steps, move doc dependencies into pyproject.toml by N-Wouda in https://github.com/N-Wouda/ALNS/pull/143
* Fix bug in RCPSP example by SleepyBag in https://github.com/N-Wouda/ALNS/pull/147
* Add Protocols for most base classes by N-Wouda in https://github.com/N-Wouda/ALNS/pull/150
New Contributors
* SleepyBag made their first contribution in https://github.com/N-Wouda/ALNS/pull/147
**Full Changelog**: https://github.com/N-Wouda/ALNS/compare/v5.0.4...v5.1.0