feat: renamed old frontend and fixed some minor bugs

frontend/src/pages/index.tsx

@@ -1,13 +1,9 @@
-import { useEffect } from "react";
-import { useRouter } from "next/router";
+import { createFileRoute, redirect } from "@tanstack/react-router";
 
-export default function Home() {
-  const router = useRouter();
-
-  useEffect(() => {
-    router.push("/login");
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, []);
-
-  return <div className="w-screen bg-bunker-800" />;
-}
+export const Route = createFileRoute("/")({
+  beforeLoad: () => {
+    throw redirect({
+      to: "/login"
+    });
+  }
+});