Update readme

Author: nanxstats

README.md

@@ -1 +1,26 @@
 # ggsci for Python
+
+[![PyPI version](https://img.shields.io/pypi/v/ggsci)](https://pypi.org/project/ggsci/)
+![Python versions](https://img.shields.io/pypi/pyversions/ggsci)
+[![Checked with mypy](https://www.mypy-lang.org/static/mypy_badge.svg)](https://mypy-lang.org/)
+[![CI Tests](https://github.com/nanxstats/py-ggsci/actions/workflows/ci-tests.yml/badge.svg)](https://github.com/nanxstats/py-ggsci/actions/workflows/ci-tests.yml)
+[![mkdocs](https://github.com/nanxstats/py-ggsci/actions/workflows/mkdocs.yml/badge.svg)](https://nanx.me/py-ggsci/)
+![License](https://img.shields.io/pypi/l/ggsci)
+
+ggsci for Python provides color palettes for plotnine.
+
+## Installation
+
+You can install py-ggsci from PyPI:
+
+```bash
+pip install ggsci
+```
+
+Or install the development version from GitHub:
+
+```bash
+git clone https://github.com/nanxstats/py-ggsci.git
+cd py-ggsci
+python3 -m pip install -e .
+```