chore(backstage): Updated catalogs

clusters/artemis/apps/cnpg/catalog.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: cnpg
+  description: "CloudNativePG is a Kubernetes operator that manages PostgreSQL databases in a cloud-native way."
+  annotations:
+    argocd/app-name: cnpg
+spec:
+  type: service
+  lifecycle: production
+  owner: owners
+  system: artemis-cluster

clusters/artemis/apps/digital-garden/catalog.yaml

@@ -0,0 +1,17 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: digital-garden
+  description: "A collection of notes, essays, and other writing that is published on the web."
+  links:
+    - url: https://groothuis.io
+      title: Public Website
+      icon: web
+  annotations:
+    argocd/app-name: digital-garden
+spec:
+  type: website
+  lifecycle: production
+  owner: owners
+  system: artemis-cluster