feat(settings): add compositor section & restructured settings

- add dedicated Compositor pages for comp specifc features
- add Dank Bar Appearance subsection
- improve lazy loading, caching, search routing, & IPC navigation
- standardized responsive Setting categories from global animations

quickshell/Modules/Settings/DankBarAppearanceTab.qml

@@ -0,0 +1,5 @@
+import QtQuick
+
+DankBarTab {
+    appearanceOnly: true
+}