[kibana] Propagate service URL to ansible

ansible/roles/kibana/files/kibana.yml

@@ -1,4 +1,5 @@
 server.host: "0.0.0.0"
 server.port: 5601
 server.name: "Unblink"
-server.hosts: ["http://elastic1.local:9200"]
+server.hosts: ["http://elastic.service:9200"]
+server.publicBaseUrl: "https://logs.unbl.ink"