Add some badges to README

Author: airallergy

README.md

@@ -8,6 +8,12 @@
 
 ---
 
+[![GitHub Actions Workflow Status - Docs](https://img.shields.io/github/actions/workflow/status/airallergy/sober/publish_docs.yml?logo=github&label=docs)](https://airallergy.github.io/sober/)
+[![PyPI - Version](https://img.shields.io/pypi/v/sober?logo=pypi)](https://pypi.org/project/sober/)
+[![Conda - Version](https://img.shields.io/conda/vn/conda-forge/sober?logo=condaforge)](https://anaconda.org/conda-forge/sober/)
+[![GitHub License](https://img.shields.io/github/license/airallergy/sober)](LICENSE.txt)
+[![GitHub Actions Workflow Status - Test](https://img.shields.io/github/actions/workflow/status/airallergy/sober/test.yml?logo=github&label=test)](https://github.com/airallergy/sober/actions/workflows/test.yml)
+
 ## Installation
 
 **sober** can be installed via either `conda`: