Migrate code from @blsqr's models repo
This MR migrates code from @blsqr's models repository to this repository.
Original repo: https://gitlab.com/blsqr/evo-eco-models
Commit: d66c81f97e1fd3f3f0f7c472145d533ddbe5b8c1
Related: utopia!294 (merged)
Edited by Yunus Sevinchan