add etersoft groups etersoft/virt-machines etersoft/virt-manager etersoft/gnome-boxes etersoft/virtualbox etersoft/00_office etersoft/libreoffice-still etersoft/libreoffice-latest etersoft/01_games and others

1. The default locale is now C.UTF-8 (/root/.i18n)
2. When connecting via ssh, the locale is the one in the system we are connecting from.

That's why we need locales.

Required make-initrd 2.51.0.

Distro-developers have developed request to call this menu item
something special.

In p11 and Sisyphus, we do not build distributions with altinst.

lvm is always offered in the installer, but its support was not in
the installed system.

make-initrd-kickstart required f2fs-tools.

They will be installed during installation.
plasma-discover actively climbs into the network and blocks apt.

They will be installed during installation.
gnome-software actively climbs into the network and blocks apt.
gnome-tour is redundant in the live.

Adds desktop file to run installer.

Suggested by bircoph@.