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-source-icon.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+mediaStatus=$(playerctl --player=playerctld metadata 2>&1)
+
+if [[ "$mediaStatus" == "No player could handle this command" ]]; then
+    echo "ﱙ"
+else
+    trackid=$(playerctl --player=playerctld metadata --format '{{ mpris:trackid }}')
+
+    if grep -q -i "chromium" <<< "$trackid"; then
+        echo ""
+    elif grep -q -i "vlc" <<< "$trackid"; then
+        echo "嗢"
+    elif grep -q -i "spotify" <<< "$trackid"; then
+        echo ""
+    else
+        echo "﴾"
+    fi
+fi