chore: update

Author: Lawhy

README.md

@@ -1,5 +1,9 @@
 # strands-env
 
+[![CI](https://github.com/horizon-rl/strands-env/actions/workflows/test.yml/badge.svg)](https://github.com/horizon-rl/strands-env/actions/workflows/test.yml)
+[![PyPI](https://img.shields.io/pypi/v/strands-env.svg)](https://pypi.org/project/strands-env/)
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE)
+
 RL environments for [Strands](https://github.com/strands-agents/sdk-python) agents — step, observe, reward.
 
 > `strands-agents` is designed for serving, not training. `strands-env` integrates [`strands-sglang`](https://github.com/horizon-rl/strands-sglang) to bridge this gap.