include: various PHP pages that needs to be included into other pages:
init.php: performs some initialization operations (loading dependencies, registering autoloading for RAP classes, loading configuration, defining some global variables)
front-controller.php: Front Controller using FlightPHP framework dedicated to process web pages routing and rendering
gui-backend.php: REST backend for interacting with JavaScript using AJAX calls
web pages fragments (header, footer, panels, ...)
rest-web-service.php: page using the FlightPHP framework to setup a REST web service used to call RAP from external applications.
views: views template to be displayed using the Flight Framework