Update README.md

Added documentation links

README.md

 ![Asset Architecture](https://user-images.githubusercontent.com/263776/110168293-9611ba80-7dbc-11eb-9945-417a16c3386d.jpg)
 
 ### More Resources
-* If you want to watch the step by step guide, go to our video: [LINK TO VIDEO]()
-* For a written guide on how to get started with Cloud Content Delivery, visit the following link [LINK TO GUIDE]()
+* If you want to watch the step by step guide, go to our [video](https://www.youtube.com/watch?v=zadjp30LTMs)
+* For a written guide on how to get started with Cloud Content Delivery, visit the [following link](https://create.unity3d.com/CCD-technical-workshop?utm_source=demand-gen&utm_medium=video&utm_campaign=asset-links-operate-gms&utm_content=build-vs-buy-ccd-webinar)