Automatically add site to backup config

It would be very convenient when there is a backup config available to add every site automatically to a default schedule.

Add breadcrumbs (?)

Might be nice to add breadcrumbs, what do you think?

New insight: OPcache full

When the OPcache get's full, because either the max files or max memory is reached your application(s) are slowing down because PHP has to constantly...