[SUBTASK]-Implement MotiData

[SturmDerLiebe]

Ressources

• Files: https://github.com/SturmDerLiebe/MotiWeb/tree/main/data

Tasks

1. Remove data directory
2. Remove actionResponse and helper directory in app/api/_useServer
3. Install MotiData library and setup the the Repositories in app/api/_useServer/repositorySingletons.ts
4. Adjust actions to use RegistrationHelper.buildFromObject from MotiData instead. 1. Wait for New MotiData Version that fixes [BUG]-Fix Type Signature of RegistrationHelper MotiData#18