This PR swaps out all of the crate internal types with types from the new forgejo-api-types crate
- testing if everything works (depends on solving #108 first)
This PR swaps out all of the crate internal types with types from [the new `forgejo-api-types` crate](https://codeberg.org/VoiDD/forgejo-api-types)
- [ ] testing if everything works (depends on solving #108 first)