When app is deployed and user visits for the first time it should prompt the user to first register and then take them to the setup page
After one user has been registered, no other user should be able to register (a single admin per dashtag site)
If user visits signup page, after one user already registered, app should redirect to sign in page with flash message saying that "This dashtag page already has an admin registered"
If user visits any page, befere a user has registered, app should redirect them to sign up page...