countdown_flutter_copy
this library is clonning 100% from https://github.com/Leocardoso94/flutter-countdown
if you want to learn how to use it, you can go to the real one here https://pub.dev/packages/countdown_flutter
Adding by my self
- I have been working to add pause function to this library. of you want to try it, you can check in sample
- I put onTick function to track every singgle ticking on time frame