If the YouTube URL of the video is https://www.youtube.com/watch?v=JLMbpiywVxQ you can use the following to embed a clickable preview.
[![Final video of fixing issues in your code in VS Code]
(https://img.youtube.com/vi/JLMbpiywVxQ/maxresdefault.jpg)]
(https://www.youtube.com/watch?v=JLMbpiywVxQ)Which shows as:
