add prettier

packages/artplayer-template/next.js/pages/_app.js

@@ -1,7 +1,7 @@
-import '../styles/globals.css'
+import '../styles/globals.css';
 
 function MyApp({ Component, pageProps }) {
-  return <Component {...pageProps} />
+    return <Component {...pageProps} />;
 }
 
-export default MyApp
+export default MyApp;

packages/artplayer-template/next.js/pages/api/hello.js

@@ -1,5 +1,5 @@
 // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 
 export default function handler(req, res) {
-  res.status(200).json({ name: 'John Doe' })
+    res.status(200).json({ name: 'John Doe' });
 }