Link out to Ray Wenderlich article for in depth getting started tutorial

consumer/docs/geckoview-quick-start.md

@@ -8,6 +8,8 @@ tags: [GeckoView,Gecko,mozilla,android,WebView,mobile,mozilla-central,setup,quic
 
 _Building a browser? Check out [Android Components](https://mozilla-mobile.github.io/android-components/), our collection of ready-to-use support libraries!_
 
+The following article is a brief guide to embedding GeckoView in an app. For a more in depth tutorial on getting started with GeckoView please read the article we have published on [raywenderlich.com](https://www.raywenderlich.com/1381698-android-tutorial-for-geckoview-getting-started). 
+
 ## Table of contents
 {: .no_toc .text-delta }