Hacking

Preparation

run git submodule update --init
run npm install --legacy-peer-deps

Start the test project

run npm run start-playground-plain

Chrome extension

run npm run start:chrome
Go to chrome://extensions, check "developer mode", and click "Load unpacked extension", and select directory lib/chrome

Firefox extension

run npm run start:firefox
Go to about:debugging, check "Enable add-on debugging", and click "Load Temporary Add-on", and select file lib/firefox/manifest.json