expand Horizontally
fun expandHorizontally(animationSpec: FiniteAnimationSpec<IntSize> = spring(
stiffness = Spring.StiffnessMediumLow,
visibilityThreshold = IntSize.VisibilityThreshold
), expandFrom: Alignment.Horizontal = Alignment.End, clip: Boolean = true, initialWidth: (fullWidth: Int) -> Int = { 0 }): EnterTransition