Add dunst i3blocks script

.i3blocks/dunst

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+runtime="${XDG_RUNTIME_DIR}/i3blocks"
+[[ ! -d "$runtime" ]] && mkdir -p "$runtime"
+
+if [[ -n "$button" ]]
+then
+	pid=$(systemctl --user show -p MainPID --value dunst.service)
+	if [[ -f "$runtime/dunst" ]]
+	then
+		killall -SIGUSR2 $pid
+		rm "$runtime/dunst"
+	else
+		killall -SIGUSR1 $pid
+		touch "$runtime/dunst"
+	fi
+fi
+
+echo -n "dunst "
+
+if [[ -f "$runtime/dunst" ]]
+then
+	echo "<span foreground=\"#FFCC66\">█</span>"
+else
+	echo "<span foreground=\"#99CC99\">█</span>"
+fi
+