After MODKBEKBJ-22 is done and the required interfaces have been generated, put together the implementation class that has business logic for

Note:

• Documentation for endpoint: https://s3.amazonaws.com/foliodocs/api/mod-kb-ebsco/eholdings.html#eholdings_packages__packageid__resources_get

• Reference code in Ruby module - mod-kb-ebsco

Acceptance criteria:

• Users should get identical results hitting the same endpoint in mod-kb-ebsco and mod-kb-ebsco-java

• Unit tests with at least 80% code coverage or greater covering all critical code components.