$ yarn
$ yarn start
This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
$ yarn build
This command generates static content into the build directory and can be served using any static contents hosting service.
$ GIT_USER=<Your GitHub username> USE_SSH=true yarn deploy
If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the gh-pages branch.