Install dependencies: npm install
Run npm run dev to build the Apostrophe UI and start the site up. Remember, this is during alpha development, so we're all in "dev mode."
Read the details on the welcome page when you open your application at http://localhost:3000.
Right now, all the juicy info about A3 is in the a3 docs, so head over there and start reading! This boilerplate project is a fun introduction to the UI, but you'll want to know more to really try it out.