docs: updated READ.ME

[nicholas-tayag]

Updated the README file to improve usability and clarity for both new and experienced users.

The key changes include:

• Expanded the introduction to better explain the purpose of the repository.
• Added installation instructions to guide users through the setup process.
• Reorganized API usage examples into clearly defined sections with detailed descriptions.
• Updated the contributing guidelines with step-by-step instructions
• Included a Table of Contents to improve navigation within the document.
• Improved overall readability and structure with headings, subheadings, and bullet points.