serverUpdateFuture method
Return: None
Implementation
Future<PromptOrError> serverUpdateFuture() async {
  final resultStr = await ZeroNet.instance.cmdFuture(
    ZeroNetCmd.serverUpdate,
  );
  return resultStr.toPromptOrErr;
}Return: None
Future<PromptOrError> serverUpdateFuture() async {
  final resultStr = await ZeroNet.instance.cmdFuture(
    ZeroNetCmd.serverUpdate,
  );
  return resultStr.toPromptOrErr;
}