Add use-is-typing (rehooks#199)

Author: KATT

README.md

@@ -225,6 +225,7 @@
 - [`use-undo`](https://github.com/xxhomey19/use-undo) React hook to implement Undo and Redo functionality.
 - [`useDarkMode`](https://github.com/donavon/use-dark-mode) A custom React Hook to help you implement a "dark mode" component.
 - [`useEmailAutocomplete`](https://github.com/alex-cory/use-email-autocomplete) 📬 React hook for email autocomplete inputs.
+- [`useIsTyping`](https://github.com/KATT/use-is-typing) Hook to see if the user is typing within a textarea or input
 - [`usePosition`](https://github.com/tranbathanhtung/usePosition) React hook to get position top left of an element.
 - [`useScreenType`](https://github.com/pankod/react-hooks-screen-type) Determining screen size type for Bootstrap 4 grid.
 - [`useScrollSpy`](https://github.com/Purii/react-use-scrollspy) React hook to automatically update navigation based on scroll position.