Report additional facts, as discovery image does

The facts file is taken from discovery image repository [1]. We should
eventually figure out a way to share the facts between discovery image
and foreman-installer-staypuft. Possibly create a separate puppet
module under theforeman organization on Github.

[1] https://github.com/theforeman/foreman-discovery-image/blob/901486769d16f9d635f72e3c7e92c796bf517061/root/usr/share/fdi/facts/discovery-facts.rb