Add support loggin conf for designate

Add support logging conf openstack_log_appender param
with fluentd and syslog log handlers

Change-Id: I621a8c7bb7221ee1aa1cbff04c26986a0e90a9d8
Related-Prod: PROD-19781
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index b43a633..45c972c 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -11,3 +11,5 @@
         enabled: true
       config:
         enabled: true
+      fluentd:
+        enabled: true