add mpris spotify module

modules/bar/Mpris.qml

@@ -1,8 +1,31 @@
-import Quickshell.Mpris
+import Quickshell.Services.Mpris
 import Quickshell.Widgets
 import QtQuick
 import QtQuick.Layouts
 import qs
 import qs.widgets
 
-WrapperRectangle {}
+WrapperRectangle {
+    id: root
+    property MprisPlayer spotify: findSpotify()
+    required property int barHeight
+    property double vertMargin: barHeight / 4 - 4
+    visible: spotify != null
+    topMargin: vertMargin
+    bottomMargin: vertMargin
+    leftMargin: 8
+    rightMargin: 8
+    color: Colors.base01
+    function findSpotify() {
+        for (let i = 0; i < Mpris.players.values.length; i++) {
+            let current = Mpris.players.values[i];
+            if (current.identity == 'spotify' || 'Spotify') {
+                return current;
+            }
+        }
+        return null;
+    }
+    StyledText {
+        text: root.spotify?.trackTitle + " - " + root.spotify?.trackArtists
+    }
+}