[scripts] feat: add "mode" variable to xrandr setup

.local/bin/displayselect

@@ -52,8 +52,9 @@ default() {
 }
 
 setup() {
+                [ -z "$mode" ] && mode="auto"
                 xrandr --output "$primary" --auto --scale 1.0x1.0 \
-                        --output "$secondary" --"$direction"-of "$primary" --auto
+                        --output "$secondary" --"$direction"-of "$primary" --$mode
 }
 
 morescreen() { # If multi-monitor is selected and there are more than two screens.