WP-0011: deploy scaffolding for revenue.coulomb.social

Record T01 package (in-repo k8s/railiance, combined /ui + API app,
dedicated CNPG). Add Dockerfile, healthz, migration/bootstrap scripts,
kustomize manifests, ArgoCD Application (in railiance-platform), and
docs/deployment.md. T05 left open for operator DNS/OpenBao/image push.

k8s/railiance/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: target-revenue
+  namespace: target-revenue
+  labels:
+    app.kubernetes.io/name: target-revenue
+    app.kubernetes.io/part-of: target-revenue
+spec:
+  type: ClusterIP
+  selector:
+    app.kubernetes.io/name: target-revenue
+  ports:
+    - name: http
+      port: 80
+      targetPort: http