private void FillServiceType()
        {
            var repository = new ServiceTypeRepository();

            repository.AddIfNotExist(new ServiceType()
            {
                Name = "Transmission"
            });
            repository.AddIfNotExist(new ServiceType()
            {
                Name = "Vehicle Maintance"
            });
            repository.AddIfNotExist(new ServiceType()
            {
                Name = "Vehicle Repair"
            });
            repository.AddIfNotExist(new ServiceType()
            {
                Name = "Other"
            });
        }