Add Visa - Permission Mapping to Ego DB

[Buwujiu]

Detailed Description

Add many to many relationship to Visa - Permissions.
A permission is a policy (ACL entity) and scope(mask) in ego. Example: SONG.READ.

Possible Implementation

Refer to the note in https://wiki.oicr.on.ca/display/OV/Investigation+-+Ga4gh+passports+in+Ego#InvestigationGa4ghpassportsinEgo-VisaTypes

Possible table structure:

CREATE TABLE ACLVISAPERMISSION (
  id                      UUID PRIMARY KEY,
  entity                  UUID,
  visaId                  UUID,
  mask                    ACLMASK NOT NULL,
  FOREIGN KEY (entity)    REFERENCES ACLENTITY(id),
  FOREIGN KEY (sid)       REFERENCES GA4GHVISA(id)
);