Update README to the latest version

[tzuanwang]

As a developer I need to keep an updated README file for the wishlists service repository So that users understand how to set up, run, and contribute to the project

Details and Assumptions

• The README will follow standard conventions and include necessary sections such as installation and usage

• The README is an evolving file, and needs to be updated as features are built each sprint

  Acceptance Criteria

  
  Given a new README.md file in the root of the repository
  When the README file is viewed
  Then it should contain the following sections:

• Project Title
• Description
• Installation
• Usage
• API Documentation
• Testing