News-Aggregator-API-Cotd.

On top of the original News-Aggregator-API project, which included

• validation and sanitization for user registration, by adding email validation.
• Optimize performance by implementing caching
• Error handling, ensuring that appropriate error messages are returned for different types of errors (e.g., validation errors, authentication errors, authorization errors, and server errors).

In this revision we have implemented the following

• Unit testing by using testing framework mocha and assertion framework chai has been implemented to test API endpoints and helper functions, focusing on testing input validation and proper functioning of CRUD operations.
• We made sure to achieve good test coverage using a coverage tool nyc. Below are the results of the test coverage.