📝 Add reference to newly created Airbyte Monitoring Tutorial (#19598)

* add reference from metric collection

* adding more context

* remove empty line

Co-authored-by: swyx <[email protected]>

Author: sspaeti

docs/operator-guides/collecting-metrics.md

@@ -266,3 +266,5 @@ Configure two additional env vars to the Datadog endpoint:
 ## Metrics
 Visit [OssMetricsRegistry.java](https://github.com/airbytehq/airbyte/blob/master/airbyte-metrics/metrics-lib/src/main/java/io/airbyte/metrics/lib/OssMetricsRegistry.java) to get a complete list of metrics Airbyte is sending.
 
+## Additional information
+Suppose you are looking for a non-production way of collecting metrics with dbt and Metabase, the tutorial [Airbyte Monitoring with dbt and Metabase](https://airbyte.com/blog/airbyte-monitoring-with-dbt-and-metabase) by accessing Airbyte's Postgres DB. The source code is open on [airbytehq/open-data-stack](https://github.com/airbytehq/open-data-stack). Think of it as an exploratory for data analysts and data engineers of building a dashboard on top of the existing Airbyte Postgres database versus the Prometheus more for DevOps engineers in production.