Adding app_label for correct swaggerdocs rendering

Change-Id: I714143b6d028eb6c915cbc1386a683f3ad74b4c8
diff --git a/xos/synchronizer/models/rcord.xproto b/xos/synchronizer/models/rcord.xproto
index 1257ace..421dbb9 100644
--- a/xos/synchronizer/models/rcord.xproto
+++ b/xos/synchronizer/models/rcord.xproto
@@ -1,4 +1,5 @@
 option name = "rcord";
+option app_label = "rcord";
 option verbose_name = "RCORD Profile";
 
 message CordSubscriberRoot (ServiceInstance) {