change response of add domain to array

data/web/api/openapi.yaml

@@ -518,6 +518,9 @@ paths:
                         - domain.tld
                       type: success
               schema:
+                type: array
+                items:
+                  type: object
                   properties:
                     log:
                       description: contains request object
@@ -532,7 +535,6 @@ paths:
                         - danger
                         - error
                       type: string
-                type: object
           description: OK
           headers: {}
       tags: