Inclusão da tabela 'Invitation' que irá guardar o 'token' e o 'subject' de uma submissão.

Inclusão da tabela  'Invitation' no schema subscription, alteração no schema para incluir o atributo qualifier na tabela FormFieldAnswer.

Api/components/schemas/Subscription.yaml

@@ -146,6 +146,14 @@ FormAnswer:
       type: string
     error:
       type: string
+    qualifier:
+      type: string
+      enum:
+        - FIRST_NAME
+        - LAST_NAME
+        - TEAM_NAME
+        - EMAIL
+        - OTHER
     id:
       type: integer
 SubscriptionSection:
@@ -178,4 +186,19 @@ ParticipantSubscriptionSection:
   type: object
   allOf:
     - $ref: '#/SubscriptionSection'
+Invitation:
+  title: Submission invitation token.
+  required: 
+    - token
+    - subject
+    - submission
+  type: object
+  properties:
+    token: 
+      type: string
+    subject:
+      type: string
+    submission:
+      type: 
+        $ref: '#/SubscriptionSubmission'