update readme

Author: smirnov-ev

README.md

@@ -1,2 +1,9 @@
+[![python-sendfox-api on PyPi](https://img.shields.io/pypi/v/python-sendfox-api)](https://pypi.org/project/python-sendfox-api/)
+![MIT license](https://img.shields.io/pypi/l/python-sendfox-api)
+![Beta](https://img.shields.io/pypi/status/python-sendfox-api)
+
+
 # python-sendfox-api
 A straighforward python client for Sendfox API
+
+`pip install python-sendfox-api`