fix loading issue

Author: wenluowang

next.config.js

@@ -9,6 +9,11 @@ const isDev = process.env.NODE_ENV !== 'production'
 const basePath = isDev ? '' : '/docs'
 
 module.exports = withNextra({
+  transpilePackages: [
+    '@copilotkitnext/react',
+    '@copilotkit/react-core',
+    'streamdown',
+  ],
   output: 'export',
   images: {
     unoptimized: true,