Update React Best Practices links (enaqx#724)

Author: donavon

README.md

@@ -149,6 +149,8 @@ A collection of awesome things regarding React ecosystem.
 * [Pete Hunt: React: Rethinking best practices - JSConf EU 2013](https://www.youtube.com/watch?v=x7cQ3mrcKaY)
 * [Pete Hunt: React: Rethinking Best Practices (updated) - JSConf.Asia 2013](https://www.youtube.com/watch?v=DgVS-zXgMTk)
 * [React.js Best Practices](https://github.com/ximet/awesome-best-practices/blob/master/frontend/react/bestPracticeReact.md)
+* [Clean Code vs. Dirty Code: React Best Practices](http://americanexpress.io/clean-code-dirty-code/)
+* [Writing Scalable React Apps with the Component Folder Pattern](https://medium.com/styled-components/component-folder-pattern-ee42df37ec68)
 
 ##### React styling
 * [React: CSS in JS](http://blog.vjeux.com/2014/javascript/react-css-in-js-nationjs.html)