message: js(tutorial): add note about CVAT integration
diff: @@ -7,6 +7,8 @@ Goal
  - Here you can check how to use IntelligentScissors tool for image segmentation task.
  - Available methods and parameters: @ref cv::segmentation::IntelligentScissorsMB
  +@note The feature is integrated into [CVAT](https://github.com/openvinotoolkit/cvat) annotation tool and you can try it online on https://cvat.org
  +
  \htmlonly
  <iframe src="../../js_intelligent_scissors.html" width="100%"
  onload="this.style.height=this.contentDocument.body.scrollHeight +'px';">
  