Add fluentd-based notification transport

Change-Id: I84de6582603aee57d7f868f6493fce8ae226aa9a
PROD-related: PROD-29185
(cherry picked from commit 276d9292c5c03de0c23172451e4f22e311219322)
diff --git a/fluentd/label/notifications/init.yml b/fluentd/label/notifications/init.yml
new file mode 100644
index 0000000..e4e57f8
--- /dev/null
+++ b/fluentd/label/notifications/init.yml
@@ -0,0 +1,4 @@
+classes:
+- system.fluentd.label.notifications.input_rabbitmq
+- system.fluentd.label.notifications.notifications
+- system.fluentd.label.notifications.audit