Explore options for adding a GraphQL endpoint as a spring module

[outten45]

Understand the options available for providing GraphQL from a spring boot app.

• [x] report back to the backend implementation team

Stretch

• Add a graphql to the TAMU/Scholars repo and model out some data

[jimwood]

Was able to add a graphql endpoint and reuse the existing models and repositories.

Added a sample people query allowing for basic search and pagination

Added document resolver to person so related documents can be fetched along with person data