Sherpa-Romeo Integration Rest Contract

[Micheleboychuk]

References

Related to https://github.com/DSpace/DSpace/issues/2840

Checklist

This checklist provides a reminder of what we are going to look for when reviewing your PR. You need not complete this checklist prior to creating your PR (draft PRs are always welcome). If you are unsure about an item in the checklist, don't hesitate to ask. We're here to help!

• [x] My PR is small in size (e.g. less than 1,000 lines of code, not including comments & integration tests). Exceptions may be made if previously agreed upon.
• [x] My PR passes Checkstyle validation based on the Code Style Guide.
• [x] My PR includes Javadoc for all new (or modified) public methods and classes. It also includes Javadoc for large or complex private methods.
• [x] My PR passes all tests and includes new/updated Unit or Integration Tests based on the Code Testing Guide.
• [x] If my PR includes new, third-party dependencies (in any pom.xml), I've made sure their licenses align with the DSpace BSD License based on the Licensing of Contributions documentation.
• [x] If my PR modifies the REST API, I've linked to the REST Contract page (or open PR) related to this change.

[tdonohue]

Merging as this is at +1 and the implementation was merged