Add scheduler docs to deployment overview
@@ -39,6 +39,7 @@ The Marquez [HTTP API](https://marquezproject.github.io/marquez/openapi.html) se
| Marquez Web UI | [marquezproject/marquez-web](https://hub.docker.com/r/marquezproject/marquez-web) | The web UI used to view metadata. |
| Marquez HTTP API | [marquezproject/marquez](https://hub.docker.com/r/marquezproject/marquez) | The core API used to collect metadata using [OpenLineage](https://openlineage.io). |
| Database | [bitnami/postgresql](https://hub.docker.com/r/bitnami/postgresql) or cloud provided | A PostgreSQL instance used to store metadata. |
+| Scheduler | User-provided | A scheduler used to run a workflow on a particular schedule (ex: [Airflow](https://airflow.apache.org)) |
| Workflow | User-provided | A workflow using an OpenLineage [integration](https://openlineage.io/integration) to send lineage metadata to Marquez. |
## Authentication
