-`crud_controller.js`: The module of controllers for CRUD works.
-`auth_controller.js`: The module of controllers for authorization.
-`auth_service.js`: The module of service for authorization.
-`form_service.js`: The service that handles dynamically form generation, prepare input types, validation, redirection of related crud page and form submiting.
-`directives.js`: Carries app-wide directives.
-`interceptors.js`: Module for configure request and response objects of http functions.