Add github python package badge

Author: Nicolas

README.md

@@ -3,7 +3,7 @@ PyBecker - controlling Becker RF Shutter with Python
 
 [![PyPI version](https://img.shields.io/pypi/v/pybecker.svg)](https://pypi.python.org/pypi/pybecker)
 [![Requirements Status](https://requires.io/github/nicolasberthel/pybecker/requirements.svg?branch=master)](https://requires.io/github/nicolasberthel/pybecker/requirements/?branch=master)
-[![Build Status](https://travis-ci.org/nicolasberthel/pybecker.svg?branch=master)](https://travis-ci.org/nicolasberthel/pybecker.svg?branch=master)
+![Python package](https://github.com/nicolasberthel/pybecker/workflows/Python%20package/badge.svg?branch=master)
 
 This library is based on the work of **ole1986** (https://github.com/ole1986/centronic-py)
 
@@ -14,6 +14,11 @@ The pairing need as well to be performed before and is not yet part of the libra
 The goal of this library is to be used in Home assistant custom component to control your becker shutters.
 This component is not yet publicly released.
 
+Requirements
+------------
+
+From 0.0.5 pybecker uses asyncio it requires pyhton 3.7 or above
+
 Installation
 ------------