Maybe Tzvook can update the original first post of this topic with the link to Github. It's now a bit difficult to find it in the thread.
https://github.com/lokothodida/gs-catalog
or is it https://github.com/lokothodida/gs-catalog/tree/v0.4
https://github.com/lokothodida/gs-catalog
or is it https://github.com/lokothodida/gs-catalog/tree/v0.4