This reverts commit 8a93c18d.

This reverts commit 0e47e07b.

Move neofetch and btop to desktop+ximper tag. Add cascadia-code font, extension-manager, switcheroo-control to default packages.

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

This will allow to set the language switch from your keyboard during
installation.

ReadySet is a program to configure the device during the first
installation for non-sisyphus. Users will be created by ReadySet.

The reason for adding only ReadySet for non-sisyphus is that ReadySet
requires Phrog, however, authorization via Phrog is not planned in the
sisyphus image.

The separation of the Flatpak plugin has currently occurred only in the
sisyphus branch.