Update postgres-operator-overview.md
adding the operator architecture diagram
@@ -15,7 +15,11 @@ The PostgreSQL Operator include the following components:
* PostgreSQL Operator Containers
* PostgreSQL Operator PGO Client
* PostgreSQL Operator REST API Server
-* PostgreSQL PGO Schedule
+* PostgreSQL PGO Scheduler
+
+The following diagram provides an overview of the components of the PostgreSQL Operator:
+
+![Operator Architecture](postgres-operator/hugo/static/operator-architecture.png)
#### PostgreSQL Operator
