wip: basic support multi windows

apps/desktop2/src/routes/users/$pubkey.lazy.tsx

@@ -0,0 +1,11 @@
+import { createLazyFileRoute } from "@tanstack/react-router";
+
+export const Route = createLazyFileRoute("/users/$pubkey")({
+  component: User,
+});
+
+function User() {
+  const { pubkey } = Route.useParams();
+
+  return <div>{pubkey}</div>;
+}