wip: migrate to desktop2

apps/desktop2/src/routes/app.tsx

@@ -0,0 +1,20 @@
+import { Navigation } from "@lume/ui";
+import { Outlet, createFileRoute } from "@tanstack/react-router";
+
+export const Route = createFileRoute("/app")({
+	component: App,
+});
+
+function App() {
+	return (
+		<div className="flex flex-col w-screen h-screen bg-gradient-to-tl from-gray-1 to-gray-2 dark:from-graydark-1 dark:to-graydark-2">
+			<div data-tauri-drag-region className="h-9 shrink-0" />
+			<div className="flex w-full h-full min-h-0">
+				<Navigation />
+				<div className="flex-1 h-full pb-2 pl-1 pr-2">
+					<Outlet />
+				</div>
+			</div>
+		</div>
+	);
+}