wip(failover): Started implementation of the FailoverTopology with PostgreSQL capability

This is our first Higher Order Topology (see ADR-015)

examples/operatorhub_catalog/src/main.rs

@@ -3,13 +3,12 @@ use std::str::FromStr;
 use harmony::{
     inventory::Inventory,
     modules::{k8s::apps::OperatorHubCatalogSourceScore, tenant::TenantScore},
-    topology::{tenant::TenantConfig, K8sAnywhereTopology},
+    topology::{K8sAnywhereTopology, tenant::TenantConfig},
 };
 use harmony_types::id::Id;
 
 #[tokio::main]
 async fn main() {
-
     let operatorhub_catalog = OperatorHubCatalogSourceScore::default();
 
     harmony_cli::run(