add bar transparency

modules/bar/Bar.qml

@@ -1,13 +1,14 @@
 import QtQuick
 import QtQuick.Layouts
 import Quickshell
+import Quickshell.Wayland
 
 import qs
 import qs.settings
 
 Variants {
     model: Quickshell.screens
-    delegate: PanelWindow {
+    delegate: WlrLayershell {
         id: root
         required property var modelData
         screen: modelData
@@ -17,7 +18,9 @@ Variants {
             right: true
         }
         implicitHeight: Config.barHeight
-        color: Colors.base00
+        color: Qt.rgba(Colors.base00.r, Colors.base00.g, Colors.base00.b, 0.8)
+        layer: WlrLayer.Top
+
         RowLayout {
             id: leftLayout
             spacing: 5