(Investigate) Support for GA4GH Consent Codes

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Description

Investigate how to implement support for https://github.com/ga4gh/ga4gh-consent-policy

DoD (Definition of Done)

Figure out if GA4GH Consent Codes support is possible and how, add PoC (Proof of Concept).

Testing

Peer review, if implemented unit tests

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An initial thought would be that https://github.com/EBISPOT/DUO might provide support for this issue as well as #29 , in the basic form of a reasoning mechanism.
This needs to play nice with the PUBLIC, REGISTERED and CONTROLLED security permissions.