Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/contracts/sendico/api/callbacks/create.yaml

@@ -0,0 +1,33 @@
+post:
+  tags: [Callbacks]
+  summary: Create callback subscription
+  description: Creates callback subscription for the organization identified by `org_ref`.
+  operationId: callbacksCreate
+  security:
+    - bearerAuth: []
+  parameters:
+    - $ref: ../parameters/org_ref.yaml#/components/parameters/OrgRef
+  requestBody:
+    $ref: ./bodies/callback.yaml#/components/requestBodies/CallbackCreateBody
+  responses:
+    '201':
+      description: Callback created
+      content:
+        application/json:
+          schema:
+            allOf:
+              - $ref: ../response/response.yaml#/components/schemas/BaseResponse
+              - type: object
+                properties:
+                  data:
+                    $ref: ./response/callback.yaml#/components/schemas/CallbacksAuthData
+    '400':
+      $ref: ../response/operation.yaml#/components/responses/BadRequest
+    '401':
+      $ref: ../response/operation.yaml#/components/responses/Unauthorized
+    '403':
+      $ref: ../response/operation.yaml#/components/responses/Forbidden
+    '409':
+      $ref: ../response/operation.yaml#/components/responses/Conflict
+    '500':
+      $ref: ../response/operation.yaml#/components/responses/InternalServerError