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/vaultstaticsecret.yaml

@@ -0,0 +1,34 @@
+---
+apiVersion: secrets.hashicorp.com/v1beta1
+kind: VaultStaticSecret
+metadata:
+  name: postgres-credentials
+  namespace: artifactapi3
+spec:
+  destination:
+    create: true
+    name: postgres-credentials
+    overwrite: true
+  hmacSecretData: true
+  mount: kv
+  path: kubernetes/namespace/artifactapi3/default/postgres-credentials
+  refreshAfter: 5m
+  type: kv-v2
+  vaultAuthRef: default
+---
+apiVersion: secrets.hashicorp.com/v1beta1
+kind: VaultStaticSecret
+metadata:
+  name: environment
+  namespace: artifactapi3
+spec:
+  destination:
+    create: true
+    name: environment
+    overwrite: true
+  hmacSecretData: true
+  mount: kv
+  path: kubernetes/namespace/artifactapi3/default/environment
+  refreshAfter: 5m
+  type: kv-v2
+  vaultAuthRef: default