[app-name]/
  ...
  |__app/   # container for all user-generated application code
  |   |__components/ # stateless components (e.g. features, shared UI widgets, shared services etc.)
  |   |__layouts/    # layout specific partials
  |   |__states/     # application states (can be 'routes/' if a concept of states is not used)
  |   |__app.js      # global app module definition and dependencies
  |   |__config.js   # global app configuration
  |   |__index.html  # application bootstrap entry page
  ...