app/
    shared/ --reusable components or partials
    components/ --non-reusable components
    app.module.js --AngularJS module
    app.routes.js --AngularJS routes
assets/
    img/ --images and icons
    css/ --all styles
    js/ --non-AngularJS Javascript files
    libs/ --third-party libraries
        bower_componens/ --components installed with bower
    index.html -- the main view


-- source: https://scotch.io/tutorials/angularjs-best-practices-directory-structure