feat: adds useCurrentTabScrollY hook

[andreialecu]

Closes #263
Closes #203

BREAKING CHANGE: useHeaderMeasurements now returns
the height as an Animated.SharedValue

[andreialecu]

Simulator.Screen.Recording.-.iPhone.13.-.2022-06-09.at.17.07.13.mp4

[linweiboy]

How should I use useCurrentTScrollY to get the offset of Y when I use FlatList?

[andreialecu]

How should I use useCurrentTScrollY to get the offset of Y when I use FlatList?

react-native-collapsible-tab-view/example/src/AnimatedHeader.tsx

Lines 21 to 25 in 7a81951

	const scrollY = useCurrentTabScrollY()
	const scrollYText = useDerivedValue(
	() => `Scroll Y is: ${scrollY.value.toFixed(2)}`
	)