A Firefox extension that creates markdown todos from Github and Gitlab issues.
Tested on FireFox 72.0.2 (64-bit) on Ubuntu 16.04 LTS.
Launch a test instance of FireFox with the extension loaded via npm start.
Create a zip of the extension via npm run build.
You can add this extension to Firefox as a regular add-on.
The result can be found in the folder web-ext-artifacts.