Updating link for license (#37)

Author: codemillmatt

README.md

@@ -2,7 +2,7 @@
 
 ### Practical lessons teaching you how to build Generative AI applications in .NET
 
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+[![GitHub license](https://img.shields.io/github/license/microsoft/Generative-AI-For-beginners-dotnet.svg)](https://github.com/microsoft/Generative-AI-for-beginners-dotnet/blob/main/LICENSE)
 [![GitHub contributors](https://img.shields.io/github/contributors/microsoft/Generative-AI-For-Beginners-Dotnet.svg)](https://github.com/microsoft/Generative-AI-For-Beginners-Dotnet/graphs/contributors/)
 [![GitHub issues](https://img.shields.io/github/issues/microsoft/Generative-AI-For-Beginners-Dotnet.svg)](https://github.com/microsoft/Generative-AI-For-Beginners-Dotnet/issues/)
 [![GitHub pull-requests](https://img.shields.io/github/issues-pr/microsoft/Generative-AI-For-Beginners-Dotnet.svg)](https://github.com/microsoft/Generative-AI-For-Beginners-Dotnet/pulls/)