To open the highlighter, append <your-domain>
before any url, for example:
https://localhost:300/<url>
http://localhost:3000/https://www.nytimes.com/2020/04/07/smarter-living/how-to-edit-your-own-writing.html
Currently, make a selection will automatically highlight the content, click on the highlighted text will show a confirmation dialog to remove the highlight.