Add support for Registration V2 API

[sangeetha5491]

Description

Add RegistrationCreateModel, RegistrationUpdateModel, EventsOfInterestInputModel Update Registration model to include HAL links and other changes wrt the new registration API response Update Jackson Object Mapper to support HAL JSON Update the integration and unit tests Other fixes to support these changes

Related Issue

• GH-131
• GH-16
• may be GH-24 ?

Motivation and Context

Adds support for the latest Registration IO Management API. For more details see: https://developer.adobe.com/events/docs/api/#tag/Registrations

How Has This Been Tested?

Integration tests and unit tests

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.