Publisher Feature

[computebender]

Implement the Publisher endpoints in a Spring Boot application. The following endpoints are to be implemented:

• POST /publishers: Creates a new publisher.
• GET /publishers/{publisherId}: Returns information about a specific publisher.
• PUT /publishers/{publisherId}: Updates information about a specific publisher.
• DELETE /publishers/{publisherId}: Deletes a specific publisher.

Tasks:

• Create Publisher Entity
• Create PublisherService
• Create PublisherController
• Create Thymeleaf template that lists all publishers and contains a form to create a new publisher
• Create tests to test Entity, Service, and Controller
• Update OpenAPI doc with any modifications