Update README.md

Author: js51

README.md

@@ -1,7 +1,7 @@
 <img src="https://user-images.githubusercontent.com/27327007/74098210-a760a700-4b69-11ea-8623-28708864d8c7.png" alt="SplitP" width="130"/>
 
 
-![](https://github.com/js51/SplitP/workflows/build/badge.svg)
+[![](https://img.shields.io/pypi/v/SplitP.svg)](https://pypi.org/project/SplitP/)  ![](https://github.com/js51/SplitP/workflows/build/badge.svg)
 
 Python package which implements split-based and rank-based phylogenetic tools and methods.