[app-name]/ # app root directory
  |__.build/ # automatic build output directory
  |__.dist/  # distribution code
  |__app/    # container for all user-generated app code
  |__bower_components/ # 3rd party vendor client libraries global to the entire app
  |__config/ # project related config files
  |__node_modules/ # 3rd party vendor node.js modules global to the entire app
  |__scripts/ # shell executable and config scripts
  |__tests-e2e/ # end-to-end tests
  |__tests-request/ # request tests (e.g. 3rd party API's are mocked)
  |__bower.json
  |__gulpfile.json
  |__package.json 
  |__README.md
  |__...