Incoming chat messages animation - Reanimated

This animation is designed to create smooth, dynamic chat messages, similar to those seen in Stories on TikTok, Instagram, or live chat features. It leverages React Native Reanimated’s layout animations, including `entering` and `exiting`, and is built on top of an `Animated.FlatList`, extending all standard `FlatList` props. Currently in beta, this animation attempts to maintain scroll position using the `maintainVisibleContentPosition` property. If scrolling isn't required, you can simply disable it by passing `scrollEnabled={false}`.