Into chrome extension menu, load unpacked extension and chose the public folder
Installing dependenies: npm install, then npm run build
White mode was forced by adding <html lang="en" data-theme="light"> in the index.html
(tedious but remporary) find channel id or
curl -s url_of_yt_channel | grep -o 'https://www.youtube.com/channel/[^"]*' | head -n 1 | awk -F/ '{print $NF}'
or source chanelid.bashthen get_yt_channel_id "link"