Adding the extension

Download this repo and move the files to your desired location.
Features can be toggled on/off in the settings.js file. You will need to reload your extension if you change these settings after you have it installed. Change the setting to false to disable and true to enable.
For Chromium-based browsers:
Open a new tab and enter chrome://extensions/ into the address bar and press enter.
In the upper right turn on "Developer mode".
In the upper left select "Load unpacked".
Select the folder with the files you downloaded from the repo.