feat: deploy paperclip to au-syd1 via ArgoCD (aitooling project)

Adds base manifests and au-syd1 overlay for Paperclip (AI agent
orchestration platform), following the litellm deployment pattern.
Updates aitooling ApplicationSet to include the paperclip path.

Closes #99

apps/base/paperclip/kustomization.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - cnpg_cluster.yaml
+  - cnpg_pooler.yaml
+  - deployment.yaml
+  - ingress.yaml
+  - namespace.yaml
+  - services.yaml
+  - vaultauth.yaml
+  - vaultstaticsecret.yaml