chore: updating samples.md

Author: Kunal22shah

doc/samples.md

@@ -189,7 +189,11 @@ An implementation of the UWP `Maps` control with a custom slider that binds the
 
 Implementation of a class that enables saving media files into gallery on Android, iOS and Mac Catalyst.
 
-[Browse source](https://github.com/unoplatform/Uno.Samples/tree/master/UI/MediaGallery)
+### MVUX Samples
+
+An implementation of simple, to-the-point code samples for [MVUX](https://platform.uno/docs/articles/external/uno.extensions/doc/Learn/Mvux/Overview.html?tabs=viewmodel%2Cmodel) topics.
+
+[Browse source](https://github.com/unoplatform/Uno.Samples/tree/master/UI/MVUX)
 
 ### .NET MAUI Embedding