add log API Server Url

open-ai-server/src/index.js

@@ -7,4 +7,5 @@ server.listen(port, () => {
   logger.info("Server is running on port %d", port);
   logger.info("Health check: http://0.0.0.0:%d/health", port);
   logger.info("API endpoint: http://0.0.0.0:%d/api/openai", port);
+  logger.info("API Server Url: %s", config["api_url"]);
 });