public RegistrationController(IRegistrationVMService registrationVMService, ILoginVMService loginVmService)
 {
     _registrationVMService = registrationVMService ?? throw new ArgumentNullException(nameof(registrationVMService));
     _loginVmService        = loginVmService ?? throw new ArgumentNullException(nameof(loginVmService));
 }
 public AuthController(ILoginVMService loginVMService)
 {
     _loginVMService = loginVMService ?? throw new ArgumentNullException(nameof(loginVMService));
 }