items 
                
                
            
             The code is based from "Dynamic content" example on github shared by awesome
                 vis.js library.
            
             Others libraries used:
                jquery.js,
                bootstrap.js,
                d3.js,
                moment.js,
                papaparse.js,
                localForage.js,
                FileSaver.js,
                sweetalert.js
                Css and tools:
                fontawesome free,
                normalize.css
                Credits:
                openclipart