Suggest udacity course to learn k8s in Readme

Many users will benefit by going directly to this course to learn how to get started rather than reading through the documentation

README.md

@@ -11,7 +11,7 @@
 
 ### Are you ...
 
-  * Interested in learning more about using Kubernetes?  Please see our user-facing documentation on [kubernetes.io](http://kubernetes.io)
+  * Interested in learning more about using Kubernetes?  Please see our user-facing documentation on [kubernetes.io](http://kubernetes.io) or try the [Scalable Microservices with Kubernetes](https://www.udacity.com/course/scalable-microservices-with-kubernetes--ud615) course
   * Interested in hacking on the core Kubernetes code base?  Keep reading!
 
 <hr>