Add link to github action

README.md

@@ -1,6 +1,6 @@
 # Installation
 
-![Python package](https://github.com/chdemko/pandoc-latex-environment/workflows/Python%20package/badge.svg?branch=develop)
+[![Python package](https://github.com/chdemko/pandoc-latex-environment/workflows/Python%20package/badge.svg?branch=develop)](https://github.com/chdemko/pandoc-latex-environment/actions/workflows/python-package.yml)
 [![Coveralls](https://img.shields.io/coveralls/github/chdemko/pandoc-latex-environment/develop.svg)](https://coveralls.io/github/chdemko/pandoc-latex-environment?branch=develop)
 [![Scrutinizer](https://img.shields.io/scrutinizer/g/chdemko/pandoc-latex-environment.svg)](https://scrutinizer-ci.com/g/chdemko/pandoc-latex-environment/)
 [![PyPI version](https://img.shields.io/pypi/v/pandoc-latex-environment.svg)](https://pypi.org/project/pandoc-latex-environment/)