feat: add submission-for-new-events to schema

spec/submission-api.yaml

@@ -131,6 +131,8 @@ components:
       $ref: './schemas/service-region.yaml'
     SubmissionForPickup:
       $ref: './schemas/submission-for-pickup.yaml'
+    SubmissionForNewEvents:
+      $ref: './schemas/submission-for-new-events.yaml'
     SubmissionsForPickup:
       $ref: './schemas/submissions-for-pickup.yaml'
     SubmitSubmission: