xsession: add st-abduco-tabbed; dk: change term to st and add key for st-abduco-tabbed

xsession/bin/st-abduco-tabbed

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+if [ $# -eq 0 ]; then
+	exec tabbed "$0" -w
+fi
+
+if [ "$1" = "-w" ] && [ -n "$2" ]; then
+	name=$(abduco | tail +2 | awk -F'\t' '{ print $NF }' | dmenu -p session: -l 10)
+	if [ -n "$name" ]; then
+		exec st -w "$2" -t "$name" -e abduco -A "$name" "$SHELL"
+	fi
+else
+	echo error: requires either no arguments or single option -w with and argument >&2
+	exit 1
+fi