feat: add artifactapi3 application

Deploy artifactapi v3 with separate API and UI deployments, CNPG
PostgreSQL cluster with pooler, and Redis. Routes traffic via
Gateway API for artifactapi.main.unkin.net and
artifactapi3.k8s.syd1.au.unkin.net.

apps/base/artifactapi3/services.yaml

@@ -0,0 +1,51 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: artifactapi
+  namespace: artifactapi3
+spec:
+  internalTrafficPolicy: Cluster
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: http
+  selector:
+    app: api
+  sessionAffinity: None
+  type: ClusterIP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: ui
+  namespace: artifactapi3
+spec:
+  internalTrafficPolicy: Cluster
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: http
+  selector:
+    app: ui
+  sessionAffinity: None
+  type: ClusterIP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis
+  namespace: artifactapi3
+spec:
+  internalTrafficPolicy: Cluster
+  ports:
+    - name: redis
+      port: 6379
+      protocol: TCP
+      targetPort: redis
+  selector:
+    app: redis
+  sessionAffinity: None
+  type: ClusterIP