Direct to BuildNotes.md for build instructions.

Author: rshriver

README.md

@@ -21,6 +21,8 @@ See the section about [running tests](https://facebook.github.io/create-react-ap
 
 ### `npm run build`
 
+To build this app, see BuildNotes.md
+
 Builds the app for production to the `build` folder.<br>
 It correctly bundles React in production mode and optimizes the build for the best performance.