liveasy-loadAPIs Asssignment

Created APIs to add, update, delete and retrieve payload data from the database

Project Structure:

• Created 4 packages of - controller, model, exception and repository.
• model package has Payload.java file works as a container that contains the data of the application.
• controller package has PayloadController.java file which is typically used in combination with annotated handler methods based on the @RequestMapping annotation
• repository package has PayloadRepository.java file, we define a repository interface for each domain entity in the application. A repository contains methods for performing CRUD operations, sorting and paginating data.
• exception package has files to handle exceptons.