chore(upload): demo links

Author: marin-bratanov

components/upload/events.md

@@ -715,4 +715,6 @@ The `OnClear` event fires when the user clicks the Clear button which is availab
 ## See Also
 
 * [Upload Overview]({%slug upload-overview%})
+* [Validation]({%slug upload-validation%})
+* [Live Demo: Upload Events](https://demos.telerik.com/blazor-ui/upload/events)
 

components/upload/overview.md

@@ -183,4 +183,5 @@ Cross-origin requests depend on the application and endpoint setup. The `WidthCr
 
   * [Events]({%slug upload-events%})
   * [Validation]({%slug upload-validation%})
+  * [Live Demo: Upload](https://demos.telerik.com/blazor-ui/upload/overview)
 

components/upload/validation.md

@@ -56,4 +56,6 @@ Removing invalid files from the [x] button in the UI will not call the `RemoveUr
 ## See Also
 
 * [Upload Overview]({%slug upload-overview%})
+* [Upload Events]({%slug upload-events%})
+* [Live Demo: Upload Validation](https://demos.telerik.com/blazor-ui/upload/validation)