feat(backend): Nieuwe repositories voor leerinhoud aan repositories.ts toevoegen.

backend/src/data/users/user-repository.ts

@@ -1,7 +1,7 @@
 import {DwengoEntityRepository} from "../dwengo-entity-repository";
 import {User} from "../../entities/users/user.entity";
 
-export class StudentRepository extends DwengoEntityRepository<User> {
+export class UserRepository extends DwengoEntityRepository<User> {
     public findByUsername(username: string): Promise<User | null> {
         return this.findOne({username: username});
     }