added bing wallpaper

scripts/bing-wallpaper-toggle.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# bing-wallpaper-toggle: Bing-Tages-Wallpaper an/aus schalten (User-Timer).
+# Fuer den Noctalia-Launcher (.desktop-Datei) - kein Terminal noetig.
+set -euo pipefail
+
+NOTIFY="/usr/bin/notify-send"
+
+if systemctl --user is-enabled --quiet bing-wallpaper.timer; then
+  systemctl --user disable --now bing-wallpaper.timer
+  msg="Bing-Wallpaper ausgeschaltet"
+else
+  systemctl --user enable --now bing-wallpaper.timer
+  msg="Bing-Wallpaper eingeschaltet (taeglich 06:00 Uhr)"
+fi
+
+if command -v "$NOTIFY" >/dev/null; then
+  "$NOTIFY" "Bing-Wallpaper" "$msg" --app-name="Bing-Wallpaper" --icon=preferences-desktop-wallpaper || true
+else
+  echo "$msg"
+fi