Add bookmark finder scripts, fix a few incorrect uses of IFS and read

src_files/.local/scripts/display-manage

@@ -9,7 +9,7 @@ non_primary_monitors_off() {
         grep -v "^Screen" |
         grep -v "^\s" |
         grep -v "primary" |
-        while IFS="\n " read -r target_mon_id remaining_text; do
+        while read -r target_mon_id remaining_text; do
             xrandr --output "$target_mon_id" --off
         done
 }