move bar to Shell module

modules/Shell.qml

@@ -0,0 +1,18 @@
+import "bar"
+import Quickshell
+import Quickshell.Wayland
+import Quickshell.Hyprland
+import QtQuick
+import QtQuick.Effects
+
+Variants {
+    model: Quickshell.screens
+
+    Scope {
+        id: scope
+
+        required property ShellScreen modelData
+
+        Bar {}
+    }
+}