Merge pull request #201 from Unity-Technologies/user/alextha/HubLink

Adding link to computer vision hub

README.md

 > com.unity.perception is in active development. Its features and API are subject to significant change as development progresses.
 
 
-# Perception Package (Unity Computer Vision)
+# Perception Package ([Unity Computer Vision](https://unity.com/computer-vision))
+
+Visit the [Unity Computer Vision](https://unity.com/computer-vision) page for more information on our tools and offerings!
 
 ## Getting Started