frontend and backend base setup

backend-go/internal/application/usecases/register_user.go

@@ -0,0 +1,23 @@
+package usecases
+
+import (
+	"actatempus_backend/internal/domain/entities"
+	"actatempus_backend/internal/domain/repositories"
+)
+
+type RegisterUserUseCase struct {
+	userRepository repositories.UserRepository
+}
+
+func NewRegisterUserUseCase(userRepo repositories.UserRepository) *RegisterUserUseCase {
+	return &RegisterUserUseCase{userRepository: userRepo}
+}
+
+func (uc *RegisterUserUseCase) Execute(name, email, password string) error {
+	user := &entities.User{
+		Name:     name,
+		Email:    email,
+		Password: password, // In der Realität: Passwörter hashen
+	}
+	return uc.userRepository.Create(user)
+}