Checkout branch mjs/00-start. The objective is to recreate the application on the master branch. All future steps are found under mjs/xx-.
If you'd like to see the differences between the first and second steps, change the repo to one of the branches, then use the Compare link found directly below the Clone or download green button.
Example: https://github.com/mzabriskie/react-example/compare/mjs/00-start...mjs/01-user