Original Idea
Until they finish the extension, here's bookmarklet to do the same
Installation
Go to https://dbuezas.github.io/biotic-text/ and drag&drop the link to the bookmark bar
Implementation details
- Goookmarklet generated with: https://caiorss.github.io/bookmarklet-maker/
- Works replacing all text node with a pair of wrapped text nodes, the first bold, the second one light.