Add Ruff badge to README, resolve #223

README.md

@@ -6,7 +6,7 @@
 [![image](https://github.com/AI-multimodal/Lightshow/actions/workflows/ci.yml/badge.svg)](https://github.com/AI-multimodal/Lightshow/actions/workflows/ci.yml)
 [![image](https://codecov.io/gh/AI-multimodal/Lightshow/branch/master/graph/badge.svg?token=CW7BMFA5O7)](https://codecov.io/gh/AI-multimodal/Lightshow)
 [![image](https://app.codacy.com/project/badge/Grade/d31a4e18672c4d71bbaafa719181c140)](https://www.codacy.com/gh/AI-multimodal/Lightshow/dashboard?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=AI-multimodal/Lightshow&amp;utm_campaign=Badge_Grade) <br>
-[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
 [![python](https://img.shields.io/badge/-Python_3.9+-blue?logo=python&logoColor=white)](https://github.com/pre-commit/pre-commit)
 [![Downloads](https://static.pepy.tech/badge/lightshow)](https://pepy.tech/project/lightshow)
 </div>