void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  RRADMFA.instance.init(
    appName: 'RRAD', // Short name of your app
    serverUrl: 'http://localhost:6969', // Your server url
    totpApiKey: 'sdvsdvdaszfhvcedsth',   // Your api key for totp
    smsApiKey: 'adsrgetwyetr',   // Your api key for sms otp
  );

  runApp(const MyApp());
}

TOTPResponse<TOTP?> result = await RRADMFA.instance.register();

Image.memory(
    result.qrcodeImage!,
);

TOTPResponse<TOTP?> result = await RRADMFA.instance.verify(
    userId: '', // userId stored from register response
    otp: '',  // otp taken from user
);

TOTPResponse<TOTP?> result = await RRADMFA.instance.validate(
    userId: '', // userId stored from register response
    otp: '',  // otp taken from user
);

TOTPResponse<TOTP?> result = await RRADMFA.instance.sendSmsOtp(
    phoneNumber: '', // phone number of user
);

TOTPResponse<TOTP?> result = await RRADMFA.instance.validateSmsOtp(
    phoneNumber: '', // phone number of user
    otp: '',  // otp taken from user
);