feat: add type for import

app/layout.tsx

@@ -3,7 +3,7 @@ import "./styles/globals.scss";
 import "./styles/markdown.scss";
 import "./styles/highlight.scss";
 import { getClientConfig } from "./config/client";
-import { Metadata } from 'next';
+import { type Metadata } from 'next';
 
 export const metadata: Metadata = {
   title: "ChatGPT Next Web",