Asset movement anchor share KYC needed attributes specifications

[davidscheutz]

Currently the asset movement anchor returns a flat array of KYC attributes:

[                                                                         
   "entityType", 
   "firstName",
   "lastName",
   "dateOfBirth",
   "address",
   "nationality",
   "middleName",
   "documentDriversLicense",
   "documentIdCard",
   "documentPassport",
   "documentPassportCard",
   "documentVisa",
   "documentResidenceDocument"
 ]

We need to option to mark an attribute as optional e.g. the middleName as well as bundling several attributes into a choice e.g. documentPassport or documentPassportCard or etc.

Proposal for a new type:

type AttributeRequirement =
    | { kind: "required"; name: string }
    | { kind: "optional"; name: string }
    | { kind: "oneOf";    names: string[] };

The new response could look as follows:

  [
    { "kind": "required", "name": "entityType" },
    { "kind": "required", "name": "firstName" },
    { "kind": "optional", "name": "middleName" },
    { "kind": "required", "name": "lastName" },
    { "kind": "required", "name": "dateOfBirth" },
    { "kind": "required", "name": "address" },
    { "kind": "required", "name": "nationality" },
    { "kind": "oneOf",    "names": ["documentPassport", "documentPassportCard", "documentDriversLicense", "documentIdCard", "documentVisa",
  "documentResidenceDocument"] }
  ]