Add metadata for notifications index

Change-Id: I1a11465b15f8e1cfdfc775764c706bfe2fad784a
diff --git a/elasticsearch/client/pushkin/init.yml b/elasticsearch/client/pushkin/init.yml
new file mode 100644
index 0000000..217f1c8
--- /dev/null
+++ b/elasticsearch/client/pushkin/init.yml
@@ -0,0 +1,10 @@
+parameters:
+  _param:
+    pushkin_elasticsearch_host: ${_param:haproxy_elasticsearch_bind_host}
+    pushkin_elasticsearch_port: ${_param:haproxy_elasticsearch_bind_port}
+  elasticsearch:
+    client:
+      enabled: true
+      server:
+        host: ${_param:pushkin_elasticsearch_host}
+        port: ${_param:pushkin_elasticsearch_port}
\ No newline at end of file