Update README.md

Author: AndrewRH

README.md

@@ -1,4 +1,4 @@
 # AVPro Video
-AVPro Video is a multi-platform Unity plugin for advanced video playback
+[AVPro Video](http://renderheads.com/product/avpro-video/) is a multi-platform Unity plugin for advanced video playback
 
 This Github page is primarily for **reporting bugs and feature requests**.