Update dwm status bar on automatic mpd song change

.scripts/mpc_status.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+while true; do
+    mpc idle player
+    pkill --signal=USR1 dwm_status.sh
+done

.xinitrc

@@ -31,4 +31,6 @@ picom &
 sxhkd &
 dunst &
 ~/.scripts/dwm_status.sh &
+~/.scripts/mpc_status.sh &
+
 exec dwm