switch audio with rofi and add extraLib

modules/nixos/graphical/rofi/pulse-sink.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# Credit: https://gist.github.com/Nervengift/844a597104631c36513c
+
+sink=$(
+    ponymix -t sink list |
+        awk '/^sink/ {s=$1" "$2;getline;gsub(/^ +/,"",$0);print s" "$0}' |
+        rofi -dmenu -p 'pulseaudio sink:' -location 6 -width 100 |
+        grep -Po '[0-9]+(?=:)'
+) &&
+    ponymix set-default -d "$sink" &&
+    for input in $(ponymix list -t sink-input | grep -Po '[0-9]+(?=:)'); do
+        echo "$input -> $sink"
+        ponymix -t sink-input -d "$input" move "$sink"
+    done