Merge branch '26-fix-refactor-move-userrepository-into-repositories-package' into 'main'

Resolve "fix / refactor: move UserRepository into repositories package"

Closes #26

See merge request !16

src/main/java/hdm/mi/growbros/models/user/UserRepository.java → src/main/java/hdm/mi/growbros/repositories/UserRepository.java

-package hdm.mi.growbros.models.user;
+package hdm.mi.growbros.repositories;
 
+import hdm.mi.growbros.models.user.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.Optional;