duplicate parameters , that was defined only on cluster level

to avoid reclass compilation issues due system-level-only update

related bug: https://mirantis.jira.com/browse/PROD-14789

Change-Id: I3217b9299410308deef24aca7f0b0e22b0d36031
diff --git a/docker/swarm/stack/pushkin.yml b/docker/swarm/stack/pushkin.yml
index 71b5f5f..892b4f9 100644
--- a/docker/swarm/stack/pushkin.yml
+++ b/docker/swarm/stack/pushkin.yml
@@ -9,6 +9,12 @@
     pushkin_db: pushkin
     pushkin_smtp_host: smtp.gmail.com
     pushkin_smtp_port: 587
+    webhook_from: your_sender@mail.com
+    pushkin_email_sender_password: your_sender_password
+    webhook_recipients: "recepient1@mail.com,recepient2@mail.com"
+    webhook_login_id: 13
+    webhook_application_id: 24
+    webhook_sfdc_username: your_sfdc_username
   docker:
     client:
       stack: