Settings > Hosts > Extras > Bootstrap
Bootstrap is a popular HTML, CSS, and JS framework. Use the Bootstrap Extra to quickly set up a document root. The basic template from Bootstrap is provided, along with the js, css, and fonts directories from Bootstrap. More information about Bootstrap can be found here.
Name of the site:
The name of your site.
The installation directory. If it is left blank the Bootstrap files will be copied directly to the document root folder.