Add badges on README

Author: seratch

README.md

@@ -1,5 +1,8 @@
 # OpenAI Agents SDK (JavaScript/TypeScript)
 
+[![npm version](https://badge.fury.io/js/@openai%2Fagents.svg)](https://badge.fury.io/js/@openai%2Fagents)
+[![CI](https://github.com/openai/openai-agents-js/actions/workflows/test.yml/badge.svg)](https://github.com/openai/openai-agents-js/actions/workflows/test.yml)
+
 The OpenAI Agents SDK is a lightweight yet powerful framework for building multi-agent workflows in JavaScript/TypeScript. It is provider-agnostic, supporting OpenAI APIs and more.
 
 <img src="https://cdn.openai.com/API/docs/images/orchestration.png" alt="Image of the Agents Tracing UI" style="max-height: 803px;">