Introduced Notification server, and added background thorugh quickshell

background/Background.qml

@@ -0,0 +1,36 @@
+pragma ComponentBehavior: Bound
+
+import qs.common
+import Quickshell
+import Quickshell.Wayland
+import QtQuick
+
+Loader {
+  asynchronous: true
+  active: Config.background.enabled
+  
+  sourceComponent: Variants {
+    model: Quickshell.screens
+
+    PanelWindow {
+      id: background
+
+      required property ShellScreen modelData
+
+      screen: modelData
+      WlrLayershell.namespace: "hydro-os-background"
+      WlrLayershell.exclusionMode: ExclusionMode.Ignore
+      WlrLayershell.layer: WlrLayer.Background
+      color: "black"
+
+      anchors {
+        top: true
+        bottom: true
+        left: true
+        right: true
+      }
+
+      Wallpaper {}
+    }
+  }
+}