First, following the tutorial, on branch chrome-tutorial
Then, started developing an extension to replace news pictures and headlines with WeRateDog pics and tweets from the Twitter API.
To use the Twitter API, a Bearer Token is needed. I have not exposed mine, and so I need to add it locally to run. Not yet sure how I might want to handle this if I wanted to make this public
Rusty Zone on YouTube has a lot of great resources for building chrome extensions.