Check out the Samoklava GitHub repository (https://github.com/soundmonster/samoklava) for an example of auto-generated and auto-routed board leveraging Ergogen.
I am following on the steps of FlatFootFox to replicate the Corne (Cherry) in code, WIP for the moment: https://github.com/ceoloide/corney-island
Don't forget to support the creator of Ergogen, MrZealot: https://github.com/sponsors/mrzealot