Update todo list, make small updates to display-manage script

src_files/.local/scripts/display-manage

@@ -1,12 +1,5 @@
 #!/bin/sh
 
-# NOTE: just use this for recurring cases; if i'm doing a one-off case such presenting at
-#       an event or temporarily using more than one external monitor, then i probably
-#       would be better off just writing a one-time script in prep for that case;
-#       example where one external is DisplayPort-1, another is HDMI-1, and laptop is eDP:
-#           xrandr --query # to get devices and status
-#           xrandr --output DisplayPort-1 --primary --auto --output HDMI-1 --auto --output eDP --auto
-
 DISPMANAGE_EXT_PORT_ID_PREFIX="DisplayPort"
 DISPMANAGE_LAPTOP_ID="eDP"
 DISPMANAGE_LAPTOP_MODE='"1920x1280_60.00"'
@@ -33,10 +26,10 @@ solo_monitor_mode() {
 
 primary_mon_id=""
 case "$1" in
-    (laptop | laptop-only)
+    (l | laptop)
         primary_mon_id="$DISPMANAGE_LAPTOP_ID"
         ;;
-    (ext | external)
+    (e | external)
         primary_mon_id=$(
             xrandr |
                 grep "^$DISPMANAGE_EXT_PORT_ID_PREFIX.*\sconnected" |
@@ -44,6 +37,13 @@ case "$1" in
                 sed -E "s/^([^ ]+).*$/\1/g"
         )
         ;;
+    # for one-off/special cases; just set things explicitly here and exit
+    # (c1 | case1)
+    #     xrandr --output DisplayPort-1 --primary --auto \
+    #         --output HDMI-1 --auto \
+    #         --output eDP --auto --same-as DisplayPort-1
+    #     exit 0
+    #     ;;
 esac
 
 [ -z "$primary_mon_id" ] &&