Introduced Notification server, and added background thorugh quickshell

background/Wallpaper.qml

@@ -0,0 +1,19 @@
+pragma ComponentBehavior: Bound
+
+import qs.common
+import QtQuick
+
+Item {
+  id: root
+
+  property string source: Config.options.background.wallpaperPath
+  property Image current: one
+
+  anchors.fill: parent
+
+  Image {
+    id: one
+    source: root.source
+    anchors.fill: parent
+  }
+}