Added default queries&new parameter for Gainsight

- Be able to use default queries with Gainsight.
- By default enable the script.

Change-Id: I9ccd53ad5aa4b83d59e39668e1d1c64fc3ebf398
Related-Bug: PROD-21049
diff --git a/docker/swarm/stack/monitoring/gainsight.yml b/docker/swarm/stack/monitoring/gainsight.yml
index 0cdb4b8..11344b7 100644
--- a/docker/swarm/stack/monitoring/gainsight.yml
+++ b/docker/swarm/stack/monitoring/gainsight.yml
@@ -2,6 +2,7 @@
 - system.prometheus.gainsight.container
 parameters:
   _param:
+    gainsight_enabled: 'true'
     gainsight_csv_upload_url: 'http://localhost:9999'
     gainsight_account_id: 'default'
     gainsight_environment_id: 'default'
@@ -49,3 +50,4 @@
                 LOGIN: "${_param:gainsight_login}"
                 PROMETHEUS_URL: "${_param:gainsight_prometheus_url}"
                 CONFIG_PATH: "${_param:gainsight_config_path}"
+                ENABLED: "${_param:gainsight_enabled}"