chore: update example next.js README

examples/nextjs/README.md

@@ -27,6 +27,10 @@ Fixed the issue of "Unable to load service: milvus.proto.milvus.MilvusService"
 const nextConfig = {
   experimental: {
     serverComponentsExternalPackages: ['@zilliz/milvus2-sdk-node'],
+    outputFileTracingIncludes: {
+      // When deploying to Vercel, the following configuration is required
+      '/api/**/*': ['node_modules/@zilliz/milvus2-sdk-node/dist/proto/**/*'],
+    },
   },
 };