chore(frontend): changed source code to src folder from root

frontend/src/pages/index.tsx

@@ -0,0 +1,13 @@
+import { useEffect } from "react";
+import { useRouter } from "next/router";
+
+export default function Home() {
+  const router = useRouter();
+
+  useEffect(() => {
+    router.push("/login");
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  return <div className="bg-bunker-800 w-screen"></div>;
+}