Update react-hooks.md

Author: markerikson

react-hooks.md

@@ -3,7 +3,7 @@
 
 #### Official Resources
 
-- **React Docs: Hook** 
+- **React Docs: Hooks** 
  https://reactjs.org/docs/hooks-intro.html 
  The main resource for learning hooks. Includes an intro with motivation, tutorials on `useState` and `useEffect`, discussion of custom hooks, the full hooks API reference, and an in-depth FAQ. **Read the hooks docs first before looking at anything else!**
 
@@ -18,6 +18,10 @@
 
 #### Hooks Tutorials
 
+- **Why React Hooks?** 
+ https://tylermcginnis.com/why-react-hooks/ 
+ A great introduction to hooks by Tyler McGinnis, with a focus on "why do these exist, and what problems do they solve?". 
+
 - **A Simple Intro to React Hooks** 
  https://daveceddia.com/intro-to-hooks/ 
  https://daveceddia.com/usestate-hook-examples/