Don't understand creating a Twitter Bootstrap project in Intellij

I add Bootstrap to an existing model easily by adding the appropriate files.  What I don't understand is when I create a new Web Module, select Twitter Bootstrap and I get a project setup with docs, images, js, less, etc.  I am not sure how this is a start to a web project.  I would expect to see /assets

index.html.

I want to understand this so please point me in the right direction to get the most out of Intellij.  How do I edit the .less files, build the project, and end up with all the appropriate bootstrap files?

BTW I am a convert from Eclipse to IntelliJ and I am currently on a Windows 7 box but also have a Macbook.