Unify config into shell.json and add Noctalia plugin support

default/quickshell/omarchy-shell/Widgets/qmldir

@@ -0,0 +1,15 @@
+module qs.Widgets
+NText 1.0 NText.qml
+NIcon 1.0 NIcon.qml
+NIconButton 1.0 NIconButton.qml
+NBox 1.0 NBox.qml
+NButton 1.0 NButton.qml
+NPopupContextMenu 1.0 NPopupContextMenu.qml
+NScrollText 1.0 NScrollText.qml
+NToggle 1.0 NToggle.qml
+NSpinBox 1.0 NSpinBox.qml
+NSlider 1.0 NSlider.qml
+NTextInput 1.0 NTextInput.qml
+NComboBox 1.0 NComboBox.qml
+NCheckbox 1.0 NCheckbox.qml
+NDivider 1.0 NDivider.qml