Get Relationship Types
GET {{baseUrl}}/api/Relationship/Types
RESPONSES
status: OK
[{"group":"\u003cstring\u003e","relationship":"\u003cstring\u003e","inverseRelationship":"\u003cstring\u003e"},{"group":"\u003cstring\u003e","relationship":"\u003cstring\u003e","inverseRelationship":"\u003cstring\u003e"}]