adding a free book on react (#5274)

* adding a free book on react

* sorting

books/free-programming-books.md

@@ -1908,6 +1908,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Intro to the React Framework](http://code.tutsplus.com/tutorials/intro-to-the-react-framework--net-35660)
 * [Learning React.js: Getting Started and Concepts](https://scotch.io/tutorials/learning-react-getting-started-and-concepts)
 * [React-Bits](https://github.com/vasanthk/react-bits)
+* [React Book, your beginner guide to React](https://github.com/softchris/react-book/) - Chris Noring
 * [React Enlightenment](https://www.gitbook.com/book/frontendmasters/react-enlightenment/details)
 * [React In-depth: An exploration of UI development](https://www.gitbook.com/book/developmentarc/react-indepth/details)
 * [React JS Notes for Professionals](https://goalkicker.com/ReactJSBook/) - Compiled from StackOverflow Documentation (PDF)