AR Utilities plugin requirement missing from 5.3 documentation

Setting Up a New AR Project page for 5.3 is missing important information about including the AR Utilities plugin.

https://docs.unrealengine.com/5.3/en-US/setting-up-a-new-ar-project-in-unreal-engine/

1. Visit the 5.3 Setting Up a New AR Project
   Result
   The page makes no mention of the required AR Utilities plugin.