Open the ublock origin dashboard

Switch to settings (top left)

Enable I am an advanced user

Click the cogs next to I am an advanced user

Add https://github.com/pixeltris/TwitchAdSolutions/raw/master/notify-strip/notify-strip-ublock-origin.js to userResourcesLocation

Should look like this: userResourcesLocation https://github.com/pixeltris/TwitchAdSolutions/raw/master/notify-strip/notify-strip-ublock-origin.js