The webspace skeleton is handled throufh kloxoMR under admin -> home. Scroll to bottom of the page find 'skeletons'.
As for the DB, no easy way at the moment, that I know of. I have requested from Mustafa a new custom file, for example, custom.newuser.php that would allow us to do whatever we want to new clients after kloxoMR completes creating account. However, it has not yet been implemented.