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/cnpg_pooler.yaml

@@ -0,0 +1,33 @@
+---
+apiVersion: postgresql.cnpg.io/v1
+kind: Pooler
+metadata:
+  name: paperclip-pooler
+  namespace: paperclip
+spec:
+  cluster:
+    name: paperclip-postgres
+  instances: 2
+  pgbouncer:
+    parameters:
+      default_pool_size: "100"
+      max_client_conn: "400"
+    paused: false
+    poolMode: session
+  template:
+    metadata:
+      labels:
+        app: pooler
+    spec:
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: app
+                    operator: In
+                    values:
+                      - pooler
+              topologyKey: kubernetes.io/hostname
+      containers: []
+  type: rw