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README.md

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 # MPlib
 MPlib is a lightweight python package for motion planning, which is decoupled from ROS and is easy to set up. With a few lines of python code, one can achieve most of the motion planning functionalities in robot manipulation.
 
+[![documentation](https://github.com/haosulab/MPlib/actions/workflows/pages/pages-build-deployment/badge.svg)](https://github.com/haosulab/MPlib/actions/workflows/pages/pages-build-deployment)
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 <p align="center">
   <img src="demo.gif">
 </p>