Add reference to original Icecast OBS project

README.md

 # icecast-video-streaming-server-vultr-terraform
 This is based on the use of [vultr-terraform-example](https://github.com/Psmths/vultr-terraform-example)
 
+Essentially, this will be a Terraform deployment of what is described in this project -
+[Icecast video streaming with OBS](https://git.jreed.cc/James/icecast-video-streaming-with-obs)
+
 Tested with Terraform v0.13.6.
 
 This will deploy an icecast server configured with the intention to stream video, onto a Vultr vc2-1c-1gb instance in the Sydney region, running Fedora 34 x64.