refactor: move from next js to vite and tanstack router

apps/ui/src/utils/router.ts

@@ -0,0 +1,14 @@
+import { createRouter, createMemoryHistory } from "@tanstack/react-router";
+import { routeTree } from "../routeTree.gen";
+
+export const router = createRouter({
+  routeTree,
+  defaultPendingMinMs: 0,
+  history: createMemoryHistory({ initialEntries: ["/"] }),
+});
+
+declare module "@tanstack/react-router" {
+  interface Register {
+    router: typeof router;
+  }
+}