Add conclusion to tutorial

Summary:
Indirectly fixes #13408
Closes #14279

Differential Revision: D5158487

Pulled By: hramos

fbshipit-source-id: e3a896c48db3556572e415e7c7c769c70699da19

Author: hramos

docs/Networking.md

@@ -179,3 +179,7 @@ ws.onclose = (e) => {
   console.log(e.code, e.reason);
 };
 ```
+
+## High Five! 
+
+If you've gotten here by reading linearly through the tutorial, then you are a pretty impressive human being. Congratulations. Next, you might want to check out [all the cool stuff the community does with React Native](docs/more-resources.html).