fix(hosts/alice): remove option that was removed

feat(roles/nvidia, roles/plasma, hosts/alice): nvidia, plasma, alice setup

feat: add alice and components needed for it

feat(roles/qutebrowser, hosts/arwen): qutebrowser role and add to arwen

feat(roles/steam, hosts/arwen): steam role and enable for arwen

feat: hyprland, kitty, shell env

feat: restructure