docs: update migration guide

docs: add migration guide

chore: release 3.0.0-rc.5

fix: fix bottom positions when useRNScreensOverlay is true

chore: new components demo screen in example app

chore: only declare the parameters actually used by the ui components

fix: prevent animation glitch when hide notification immediately after showing

chore: update positions screen in example app

chore: release 3.0.0-rc.4

feat: isNotificationVisible, hideById, isVisibleById, shakeById, updateById methods

chore: release 3.0.0-rc.3

fix: prevent multiple renders during layout calculation on new arch

style: center icon vertically in the notification component

fix: fix provided style priority in toast & notification components

fix: fix showing animation when "onLayout" event is delayed