Added badges to readme

Author: roycoding

README.md

@@ -2,6 +2,8 @@
 ### *A multi-armed bandit library for Python*
 
 Slots is intended to be a basic, very easy-to-use multi-armed bandit library for Python.
+[![PyPI](https://img.shields.io/pypi/v/slots)](https://pypi.org/project/slots/)
+[![Downloads](https://pepy.tech/badge/slots)](https://pepy.tech/project/slots)
 
 #### Author
 [Roy Keyes](https://roycoding.github.io) -- roy.coding@gmail