Replace README.md

# csst_cpic_sim

<img alt="*logo.png" src="logo.png" width="50%" height="50%">

# CpicImgSim

CpicImgSim is a Python library for numerical simulation of the observational images of CSST/CPIC instrument.

## Insallation - 安装

### Requirements - 必要条件

- Python 3.8+

## Usage - 用法

## Development - 开发

## Contributing - 贡献

## Support - 支持

## Citation - 引用

## License - 许可证

## Change Log - 更新日志