Include codefactor

Author: CoMPaTech

README.md

@@ -5,6 +5,7 @@ This module is the backend for the [`plugwise` component](https://github.com/hom
 Our main usage for this module is supporting [Home Assistant](https://www.home-assistant.io) / [home-assistant](http://github.com/home-assistant/core/)
 
 [![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/plugwise)
+[![CodeFactor](https://www.codefactor.io/repository/github/plugwise/python-plugwise/badge)](https://www.codefactor.io/repository/github/plugwise/python-plugwise)
 [![Latest release](https://github.com/plugwise/python-plugwise/workflows/Latest%20release/badge.svg)](https://github.com/plugwise/python-plugwise/actions)
 [![codecov](https://codecov.io/gh/plugwise/python-plugwise/branch/main/graph/badge.svg)](https://codecov.io/gh/plugwise/python-plugwise)
 [![PyPI version fury.io](https://badge.fury.io/py/plugwise.svg)](https://pypi.python.org/pypi/plugwise/)