Build backend services for university using node.js and mongoDb

This project is a simple Express.js application that serves as a backend for a course management system. It uses MongoDB as the database and Mongoose for data modeling. The application has an API endpoint for retrieving all courses, adding a new course, updating an existing course, deleting a course, and retrieving a course by its ID. It also has a catch-all route to serve the React frontend. The project uses Express.js middleware for handling JSON payloads and serving static files. The project is written in JavaScript and uses the following dependencies: express, mongoose, joi, and nodemon.