Initial Das OS 0.1.0: Void Linux live ISO with Xfce

- xbps-src templates: das-theme (adw-gtk3-based GTK themes, generated
  xfwm4 frames, wallpapers, logo), das-settings (Xfce, panel, LightDM
  defaults in /etc/xdg/das), adw-gtk3 and font-jetbrains-mono
- void-mklive profile in live/: packages, runit services, rootfs overlay,
  Ukrainian locale, live user with autologin
- Void builder container, build scripts, QEMU runner and Makefile
- Bilingual README with screenshots

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

live/packages.x86_64

@@ -0,0 +1,60 @@
+# Packages added to the Void base-system in the live image.
+
+# Desktop session
+dbus
+elogind
+lightdm
+polkit
+xfce4
+xorg-minimal
+xorg-input-drivers
+xorg-video-drivers
+setxkbmap
+xauth
+mesa-dri
+
+# Xfce extras
+file-roller
+gvfs
+gvfs-mtp
+mousepad
+ristretto
+thunar-archive-plugin
+xfce4-clipman-plugin
+xfce4-screenshooter
+xfce4-taskmanager
+
+# Network, Bluetooth, sound
+NetworkManager
+network-manager-applet
+bluez
+blueman
+pipewire
+alsa-pipewire
+wireplumber
+pavucontrol
+
+# Applications
+firefox
+firefox-i18n-uk
+udisks2
+xdg-user-dirs
+xdg-utils
+
+# System tools for the live medium
+btrfs-progs
+cryptsetup
+dosfstools
+gptfdisk
+ntfs-3g
+parted
+sudo
+
+# Virtual machine guests
+qemu-ga
+spice-vdagent
+virtualbox-ose-guest
+
+# Das OS (local repository)
+das-settings
+das-theme