Add SMS deliverance support for Vietnam

Please add SMS deliverance support for Vietnam, since GitHub doesn’t support sms deliverance support for Vietnam, meanwhile there are Vietnamese Githubbers too

Hello - and thank you for this feedback!

Please submit your feedback via the new GitHub Feedback Discussions forum so that our product team can better track your request :slight_smile:. It’s a new thing, but we’re trying to push all product feedback to the same new area so it’s easier to find and consolidate user feedback!