I love the idea of this module, not sure why i missed it out before. Anywho now that i am trying to set it up, i have installed the module (did not use sudo).
Inserted this much code with no modification.
{
module:"MMM-Config",
position:"bottom_right", // the QR code (if requested) will appear here
config:{
}
And when i go to the URL i see a blank page.