adding missing demographic types as per RM (#99 SPECITS-70)

specifications/schemas/demographic/Agent.yaml

@@ -0,0 +1,11 @@
+title: AGENT
+type: object
+allOf:
+  - $ref: ../demographic/Actor.yaml
+required:
+  - data
+properties:
+  _type:
+    type: string
+    default: AGENT
+x-discriminator-value: AGENT

specifications/schemas/demographic/Group.yaml

@@ -0,0 +1,11 @@
+title: GROUP
+type: object
+allOf:
+  - $ref: ../demographic/Actor.yaml
+required:
+  - data
+properties:
+  _type:
+    type: string
+    default: GROUP
+x-discriminator-value: GROUP

specifications/schemas/demographic/Organisation.yaml

@@ -0,0 +1,11 @@
+title: GROUP
+type: object
+allOf:
+  - $ref: ../demographic/Actor.yaml
+required:
+  - data
+properties:
+  _type:
+    type: string
+    default: GROUP
+x-discriminator-value: GROUP

specifications/schemas/demographic/Party.yaml

@@ -15,3 +15,7 @@ properties:
       $ref: ../demographic/Contact.yaml
   details:
     $ref: ../data_structures/UItemStructure.yaml
+  relationships:
+    type: array
+    items:
+      $ref: ../demographic/PartyRelationship.yaml

specifications/schemas/demographic/PartyRelationship.yaml

@@ -0,0 +1,16 @@
+title: PARTY_RELATIONSHIP
+type: object
+allOf:
+  - $ref: ../common/Locatable.yaml
+required:
+  - source
+  - target
+properties:
+  source:
+    $ref: ../base_types/PartyRef.yaml
+  target:
+    $ref: ../base_types/PartyRef.yaml
+  details:
+    $ref: ../data_structures/UItemStructure.yaml
+  time_validity:
+    $ref: ../data_types/DvIntervalOfDate.yaml

specifications/schemas/demographic/Person.yaml

@@ -0,0 +1,11 @@
+title: PERSON
+type: object
+allOf:
+  - $ref: ../demographic/Actor.yaml
+required:
+  - data
+properties:
+  _type:
+    type: string
+    default: PERSON
+x-discriminator-value: PERSON