I am new to ghost - I would like to set up a pre-launch page for my site, a few months before the site is launched. Essentially this would be a single page, with information aout the launch + a sign up section. Is this possible within Ghost? As far as I can see atm I can set up a page no problems, but I need this to be self contained and not contain any links back to the site (which is still in progress) Appreciate that there is already a sign up page, but this does not allow for any level of...