refactor: utils

packages/server/next/app/page.tsx

 "use client";
 import { ChatSection } from "@llamaindex/chat-ui";
 import { useChat } from "ai/react";
-import { getConfig } from "./env";
+import { getConfig } from "./utils";
 
 export default function Page() {
   const handler = useChat({ api: getConfig("CHAT_API") });