Update README to include package details and sample code

[vrtnis]

Overview

This pull request enhances the descriptiveness of the README file to provide more detailed information about the package with a sample usage example.

Changes Made

• Expanded the introduction section to include more background information about the package.
• Added a 'Features' section to outline the key functionalities of the project.
• Added a usage example.

Motivation

The motivation behind these changes is to make the project's documentation more welcoming and informative, thus helping new users and contributors to understand the project's goals and how to get involved.