If you want to change what the data browser is displaying, simply change this line of code I have highlighted in blue, to what ever you want the data browser to point to:
I am currently working on customizing the data browser to do certain things so, if anyone is interested in sharing ideas, feel free to pm me here, or on gitter @mikeadams1. Over the next couple weeks I will be launching a customized version of the solid data browser, and a hacked version of one of my previous hacks, using code pulled from various NSS related repos here. A link to the site I am developing is here: https://solid.WebID.cloud and at https://WebID.cloud is where I will launch our own Solid WebID Pod Server.