feat(mbp): swagger update

Author: cpatino-intive

masterBitgoExpress.json

@@ -300,6 +300,22 @@
                   "pubkey": {
                     "type": "string"
                   },
+                  "type": {
+                    "type": "string",
+                    "enum": [
+                      "transfer",
+                      "acceleration",
+                      "accountSet",
+                      "enabletoken",
+                      "stakingLock",
+                      "stakingUnlock",
+                      "transfertoken",
+                      "trustline"
+                    ]
+                  },
+                  "commonKeychain": {
+                    "type": "string"
+                  },
                   "source": {
                     "type": "string",
                     "enum": [
@@ -406,7 +422,6 @@
                   }
                 },
                 "required": [
-                  "pubkey",
                   "source",
                   "recipients"
                 ]