Add new Generative AI course link

Added latest course releases

Author: leestott

README.md

@@ -100,6 +100,7 @@ Special thanks to [**John Aziz**](https://www.linkedin.com/in/john0isaac/) for c
 Our team produces other courses! Check out:
 
 - [**NEW** AI Agents for Beginners](https://github.com/microsoft/ai-agents-for-beginners?WT.mc_id=academic-105485-koreyst)
+- [**NEW** Generative AI for Beginners using .NET](https://github.com/microsoft/Generative-AI-for-beginners-dotnet?WT.mc_id=academic-105485-koreyst)
 - [ML for Beginners](https://aka.ms/ml-beginners?WT.mc_id=academic-105485-koreyst)
 - [Data Science for Beginners](https://aka.ms/datascience-beginners?WT.mc_id=academic-105485-koreyst)
 - [AI for Beginners](https://aka.ms/ai-beginners?WT.mc_id=academic-105485-koreyst)