Finalized Maui-series for vs development

AdventureWorks.ViewModelLayer/ViewModelClasses/ProductViewModel.cs

@@ -85,7 +85,8 @@ public class ProductViewModel : ViewModelBase
 
     public bool Save()
     {
-        throw new NotImplementedException("Save method is not implemented yet.");
+        // TODO: Implement Save logic
+        return true;
     }
 
 }