backend moved to separate directory

backend: deleted the old structure

go-backend/internal/repositories/banking_repository.go

@@ -0,0 +1,20 @@
+package repositories
+
+import (
+	"GoMembership/internal/database"
+	"GoMembership/internal/models"
+)
+
+type BankAccountRepositoryInterface interface {
+	CreateBankAccount(account *models.BankAccount) (uint, error)
+}
+
+type BankAccountRepository struct{}
+
+func (repo *BankAccountRepository) CreateBankAccount(account *models.BankAccount) (uint, error) {
+	result := database.DB.Create(account)
+	if result.Error != nil {
+		return 0, result.Error
+	}
+	return account.ID, nil
+}