chore(xmobar): truncated mpris2 output and updated scripts

.config/xmobar/scripts/mpris2.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Get the MPRIS information
+mpris_info=$(playerctl --player=playerctld metadata --format '{{ artist }} - {{ title }}')
+
+# Truncate the output to 15 characters, adding trailing dots if needed
+truncated_info=$(printf '%.35s' "$mpris_info")
+if [ ${#mpris_info} -gt 35 ]; then
+  truncated_info="${truncated_info}..."
+fi
+
+echo "$truncated_info"