Update README.md

Author: eddiemonge

README.md

@@ -15,6 +15,16 @@ Clone this repo and build the js and css files (you'll need Git and Make install
 A full version and a minified version of the jQuery Mobile JavaScript and CSS files will be created 
 in a folder named "compiled". There is also now a Structure only css file so you can add your own theme on top of it.
 
+How to build a self-contained version of the Docs/Demos
+=======================================================
+Once you have your own cloned repo on your computer:
+
+    make docs
+
+The docs will be built and available in the compiled/demos folder. You can move this folder to your web server or 
+other location. It has no dependencies on anything other than a basic HTML web server.
+
+
 Submitting bugs
 ===============
 If you think you've found a bug, please report it by following these instructions: