Add badges to README

Author: Qqwy

README.md

@@ -1,5 +1,7 @@
 # Opsqueue
 
+[![Crates.io Version](https://img.shields.io/crates/v/opsqueue?label=opsqueue)](https://crates.io/crates/opsqueue) - [![PyPI - Version](https://img.shields.io/pypi/v/opsqueue?label=Python%20client%20library)](https://pypi.org/project/opsqueue/)
+
 Making big work horizontally scalable.
 
 Opsqueue does this by being: