Update README.md

Author: scotty-c

README.md

@@ -1,5 +1,6 @@
 [![Build Status](https://travis-ci.org/puppetlabs/puppetlabs-kubernetes.svg?branch=master)](https://travis-ci.org/puppetlabs/puppetlabs-kubernetes)
 [![Puppet Forge](https://img.shields.io/puppetforge/v/puppetlabs/kubernetes.svg)](https://forge.puppetlabs.com/puppetlabs/kubernetes)
+[![Puppet Forge Downloads](http://img.shields.io/puppetforge/dt/puppetlabs/kubernetes.svg)](https://forge.puppetlabs.com/puppetlabs/kubernetes)
 
 # Kubernetes