There are many different ways to build and host web applications on your own servers. The skills required to develop these applications are varied, but in general, a good knowledge of html, CSS and javascript is required.
The template set consists of two files - index.html and app.js. index.html is a simple web page that contains javascript script loaders in the header to load the jQuery library and the app.js functions. The App.js file contains the required global variables and functions and is the core basis for all external applications that utilize session and storage fields.