flutter_countdown_timer 1.4.0

A flutter countdown timer. [10 days 5:30:46] ⬇⬇⬇⬇

[1.0.0] -

• init Countdown

[1.1.0] -

• fix zero not to display
• add onEnd function

[1.2.0] -

• feat: emptyWidget
• docs: update demo code

[1.3.0] - 2020/9/29 21:35

• feat: widgetBuilder
• feat: example demo

[1.4.0] - 2020/9/29 21:47

• fix: display 0 seconds then do onEnd after 1 sec