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>

scripts/container/build-packages.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+# Builds every template in srcpkgs/ with xbps-src into the local repository
+# out/hostdir/binpkgs. Runs inside the builder container, see scripts/builder.sh.
+#
+# xbps-src needs the whole void-packages tree (build styles, shared hooks), so our
+# templates are overlaid onto a shallow clone of it in out/void-packages.
+set -euo pipefail
+
+vp=/work/out/void-packages
+hostdir=/work/out/hostdir
+
+# xbps-src refuses to run as root. Like Void's own CI, build as an unprivileged
+# member of xbuilder (allowed to use xbps-uchroot); the host's UID keeps out/ owned by the user.
+useradd --uid "$HOST_UID" --groups xbuilder --no-create-home builder
+as_builder() {
+  sudo --preserve-env=HOME -u builder "$@"
+}
+export HOME=/tmp
+mkdir -p "$hostdir"
+chown "$HOST_UID:$HOST_GID" /work/out "$hostdir"
+
+if [[ -d $vp/.git ]]; then
+  echo "==> Updating void-packages"
+  as_builder git -C "$vp" fetch --quiet --depth 1 origin master
+  as_builder git -C "$vp" reset --quiet --hard FETCH_HEAD
+  as_builder git -C "$vp" clean --quiet -fd srcpkgs
+else
+  echo "==> Cloning void-packages"
+  as_builder git clone --quiet --depth 1 https://github.com/void-linux/void-packages "$vp"
+fi
+
+cat > "$vp/etc/conf" <<CONF
+XBPS_CHROOT_CMD=uchroot
+XBPS_MAKEJOBS=$(nproc)
+CONF
+
+names=()
+for dir in /work/srcpkgs/*/; do
+  name=$(basename "$dir")
+  if git -C "$vp" cat-file -e "HEAD:srcpkgs/$name/template" 2>/dev/null; then
+    echo "warning: $name is now in void-packages, consider dropping our template" >&2
+  fi
+  rm -rf "$vp/srcpkgs/$name"
+  as_builder cp -rL "$dir" "$vp/srcpkgs/$name"
+  names+=("$name")
+done
+
+cd "$vp"
+# The bootstrapped masterdir stays in out/void-packages, so later builds skip this step
+if [[ ! -f masterdir-x86_64/.xbps_chroot_init ]]; then
+  as_builder ./xbps-src -H "$hostdir" binary-bootstrap
+fi
+for name in "${names[@]}"; do
+  echo "==> Building $name"
+  as_builder ./xbps-src -H "$hostdir" -f pkg "$name"
+done
+
+echo "==> Repository: $hostdir/binpkgs"
+ls -1 "$hostdir"/binpkgs/*.xbps