As a developer, I want to be able to query existing metadata in CMR so that I can get a preliminary set of L2_HR_PIXC and PIXCVec products

[viviant100]

Implement API to query existing metadata in CMR to get a preliminary set of L2 PIXC & PIXCVec products

[joshgarde]

Current estimated ticket work:

• [X] OAuth auth token injection into CMR requests
• [x] CMR Pagination
• [x] GranuleMetadata class
• [x] Integration with controllers/services

[joshgarde]

PR opened - #38

[joshgarde]

PR merged