Update serve.ts

Author: hotlong

packages/cli/src/commands/serve.ts

@@ -42,6 +42,7 @@ export async function serve(options: { port: number; dir: string }) {
 
     server.listen(options.port, () => {
         console.log(chalk.green(`\n🚀 Server ready at http://localhost:${options.port}`));
+        console.log(chalk.blue(`📖 OpenAPI Spec:  http://localhost:${options.port}/openapi.json`));
         console.log(chalk.gray('\nTry a curl command:'));
         console.log(`curl -X POST http://localhost:${options.port} -H "Content-Type: application/json" -d '{"op": "find", "object": "YourObject", "args": {}}'`);
     });