added more badges

Author: Trevor Phillips

README.md

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 # python-blizzardapi
-![Python package](https://github.com/trevorphillips/python-blizzardapi/workflows/Python%20package/badge.svg) [![codecov](https://codecov.io/gh/trevorphillips/python-blizzardapi/branch/main/graph/badge.svg?token=67MW8UHAG1)](https://codecov.io/gh/trevorphillips/python-blizzardapi)
+![Python package](https://github.com/trevorphillips/python-blizzardapi/workflows/Python%20package/badge.svg) [![codecov](https://codecov.io/gh/trevorphillips/python-blizzardapi/branch/main/graph/badge.svg?token=67MW8UHAG1)](https://codecov.io/gh/trevorphillips/python-blizzardapi) ![GitHub](https://img.shields.io/github/license/trevorphillips/python-blizzardapi) ![PyPI](https://img.shields.io/pypi/v/python-blizzardapi) ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/python-blizzardapi)
 
 python-blizzardapi is a client library for Blizzard's APIs.