add request to protobuf schema to promote another team member to be t…

…he team leader

rustplus.proto

@@ -27,6 +27,7 @@ message AppRequest {
 	optional AppFlag setSubscription = 17;
 	optional AppEmpty getMapMarkers = 18;
 	optional AppCameraFrameRequest getCameraFrame = 19;
+	optional AppPromoteToLeader promoteToLeader = 20;
 
 }
 
@@ -43,6 +44,10 @@ message AppCameraFrameRequest {
 	required uint32 frame = 2;
 }
 
+message AppPromoteToLeader {
+	required uint64 steamId = 1;
+}
+
 message AppResponse {
 	required uint32 seq = 1;
 	optional AppSuccess success = 4;