Add "Do" example application

Author: 1ven

README.md

@@ -949,6 +949,7 @@ A collection of awesome things regarding React ecosystem.
 * [fil -  A playground for in-browser interpreters (Redux)](https://github.com/fatiherikli/fil)
 * [sound-redux - A Soundcloud client built with React / Redux](https://github.com/andrewngu/sound-redux)
 * [react-pomodoro - A Pomodoro timer for developers](https://github.com/afonsopacifer/react-pomodoro)
+* [Do - Notes management application built with React and Redux](https://github.com/1ven/do)
 
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 ### Real Apps