Reference our License in the readme

Author: william-w-armstrong

README.md

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 Guid Based Reference
 
+License - Please see LICENSE.md in this repository
+
 Summary
 A component to give a Globaly Unique IDentifier (GUID) to a Game Object.
 This GUID can then be used to reference an object even if it is another Scene, not loaded yet, or otherwise not easy to directly reference.