feat: deploy paperclip to au-syd1 via ArgoCD (aitooling project) (#100)

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

Reviewed-on: #100

apps/base/paperclip/vaultstaticsecret.yaml

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