chore: Update README

Author: nickevansuk

OpenActive.DatasetSite.NET.Generator/README.md

@@ -1,6 +1,6 @@
 # OpenActive.DatasetSite.NET.Generator
 
-This Node.js script uses the https://github.com/openactive/data-models/ repository to generate classes containing metadata, to be embedded in .NET packages.
+This Node.js script uses the https://github.com/openactive/data-models/ and https://github.com/openactive/dataset-site-template/ repositories to generate classes containing metadata and update the `README.md` and `version.json` files.
 
 ## How to run the generator outside of Visual Studio