yarn start
Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
The page will reload if you make edits.
You will also see any lint errors in the console.
If you look in the branch selection dropdown you'll see all the branches I made as save points in case I messed up and couldn't get things back to a working state. Use these to see how the example progressed or skip to the end and see the finished product