slider function
Implementation
AnimatedContainer slider(images, pagePosition, active) {
double margin = active ? 10 : 20;
return AnimatedContainer(
duration: const Duration(milliseconds: 500),
curve: Curves.easeInOutCubic,
margin: EdgeInsets.all(margin),
decoration: BoxDecoration(
image: DecorationImage(image: NetworkImage(images[pagePosition]))),
);
}