Add thinking-in-react to workshop list

Author: thibaudcolas

index.html

@@ -380,6 +380,11 @@ <h4><a class="js-workshop-link" href="https://github.com/No9/torrential" target=
           <p data-i18n="workshopper-torrential">A set of lessons to show you how to create a simple p2p bittorrent network</p>
           <code>npm install torrential -g</code>
         </div>
+        <div id="thinking-in-react" class="workshopper">
+          <h4><a class="js-workshop-link" href="https://github.com/asbjornenge/thinking-in-react" target="_blank">Thinking in React</a></h4>
+          <p data-i18n="workshopper-thinking-in-react">Learn React's philosophy by building a UI from scratch.</p>
+          <code>npm install -g thinking-in-react</code>
+        </div>
       </div>
     </div>
     </section>