added egghead resource (enaqx#545)

Author: ethanchewy

README.md

@@ -1042,6 +1042,7 @@ A collection of awesome things regarding React ecosystem.
 * [React & Flux by: Christian Lilley](https://www.youtube.com/watch?v=mK4_a7u2cgI)
 * [React for beginners](https://reactforbeginners.com/)
 * [React For Everyone](https://www.youtube.com/playlist?list=PLLnpHn493BHFfs3Uj5tvx17mXk4B4ws4p)
+* [Start Using React to Build Web Applications](https://egghead.io/courses/react-fundamentals)
 
 
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