Add extra-wallpaper echeck

usr/bin/setup-assistant

@@ -18,6 +18,21 @@ function upgrade2ultimate
             echo "garuda-asian" >> /tmp/setup-assistant/pkgs.txt
     fi
 
+
+    if ! yad \
+        --image='wallpaper' \
+        --title="Upgrade to ULTIMATE" \
+        --window-icon='update' \
+        --geometry=700x100 \
+        --button=No:0 \
+        --button=Yes:1 \
+        --text-align=center \
+        --center \
+        --text "Do you want to install additional Garuda wallpapers?"; then
+            echo "garuda-wallpapers-extra" >> /tmp/setup-assistant/pkgs.txt
+    fi
+
+
     if ! yad \
         --image='AppImageLauncher' \
         --title="Upgrade to ULTIMATE" \