Add PyPI badge, usage examples, and new example files

Author: fcs-developer

README.md

@@ -4,6 +4,7 @@
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Python Version](https://img.shields.io/badge/Python-%3E%3D3.7-blue.svg)](https://python.org)
+[![PyPI](https://img.shields.io/pypi/v/fcsapi-rest-python.svg)](https://pypi.org/project/fcsapi-rest-python/)
 
 ## Features