Merge pull request #21 from tcncloud/addConferenceOption

add to  transfer kind enum

Author: iamneal

tcnapi/exile/gate/v2/public.proto

@@ -1211,6 +1211,7 @@ message TransferRequest {
   enum Kind {
     KIND_COLD = 0;
     WARM = 1;
+    CONFERENCE = 2;
   }
   enum Action {
     ACTION_START = 0;