Update README

[mango-habanero]

Description

The current README.md file needs an update to provide better instructions on installation, usage, and testing. This will help users quickly understand and set up the project.

Suggested Changes

1. Add a brief introduction to the project, explaining the purpose and technology stack.
2. List the prerequisites, such as the required Node.js version.
3. Provide step-by-step installation instructions, including cloning the repository, installing dependencies, and setting up environment variables.
4. Include instructions for running the app in both development and production modes.
5. Explain the app's usage, including an example API request and response format.
6. Include information on contributing to the project and the project's license.

Tasks

• Update the README.md file in the repository
• Close this issue when the update is complete