Add nwb-from-create-react-app to README

[ci skip]

README.md

@@ -99,6 +99,7 @@ cd my-module/
 
 - [Developing React Apps with nwb](/docs/guides/ReactApps.md)
 - [Developing React Components and Libraries with nwb](/docs/guides/ReactComponents.md#developing-react-components-and-libraries-with-nwb)
+- [Switching to nwb from create-react-app][https://github.com/insin/nwb-from-create-react-app/] (as an alternative to ejecting if you need configuration)
 
 ## [Documentation](/docs/#table-of-contents)