add Rate

HandyControlDemo/Data/MessageToken.cs

@@ -64,6 +64,8 @@
 	
         public static readonly string BlurWindow = nameof(BlurWindow);
 	
+        public static readonly string RateDemoCtl = nameof(RateDemoCtl);
+	
         public static readonly string ButtonDemoCtl = nameof(ButtonDemoCtl);
 
         public static readonly string ToggleButtonDemoCtl = nameof(ToggleButtonDemoCtl);