Media Playing Module with Buttons

- Replace clicks and scroll actions with dedicated buttons
  for media playing module
- Add media-playing-change module to display current media
  source and left-click to change
- Add media-playing-prev/next to play previous or next
  track
- Add media-playing-play-pause to display pause button
  when media is playing and play button when media is
  paused
- Update media-playing to use Zscroll to scroll through
  artist and title text when over limit
- Add some extra helper scripts

polybar/scripts/get-media-status.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+mediaStatus=$(playerctl --player=playerctld metadata 2>&1)
+
+if [[ "$mediaStatus" == "No player could handle this command" ]]; then
+    echo "N/A"
+else
+    status=$(playerctl --player=playerctld metadata --format '{{ status }}')
+
+    echo $status
+fi