slider_button 0.3.0

Customizable slider button widget for activating/deactivating some event.

[0.2.1] - TODO: 15/10/19.

[0.3.0] - TODO: 15/10/19.

added dismissible, Make it false if you want maintain the widget in the tree

• TODO: add a custom shapes. add a vibration effect on cancel. add a gradient to the button. add a spring effect on tapping a handler of a button