winml readme

Author: Linnea May

Samples/WinMLSamplesGallery/README.md

@@ -44,6 +44,8 @@ To learn how to implement these features in your application, or unlock addition
 
 - [Adapter Selection](./WinMLSamplesGallery/Samples/AdapterSelection): Learn how to use [Windows ML](https://docs.microsoft.com/en-us/windows/ai/windows-ml/) with different adapters based on your power and performance needs.
 
+- [Stream Effect](./WinMLSamplesGallery/Samples/StreamEffect): Learn how to use [Windows ML](https://docs.microsoft.com/en-us/windows/ai/windows-ml/) with real-time inference on video streams.
+
 ## Feedback
 Please file an issue [here](https://github.com/microsoft/Windows-Machine-Learning/issues/new) if you encounter any issues with the WinML Samples Gallery or wish to request a new sample.