feat(Pfandcha)!: Rework Pfandcha-Triggering-System and implement Pfandcha-reprive product
Changes:
- Frontend: Decision to show Pfandcha is now made on the Server
- Backend: Decision to show Pfandcha is now made on the Server - If the user has bought something in the last 24 hours or - User has bought the Pfandcha-reprive recently no pfandcha is shown. Both reprive duration and reprive product are configurable.