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

argocd/applicationsets/aitooling.yaml

@@ -11,6 +11,7 @@ spec:
       revision: HEAD
       directories:
       - path: apps/overlays/*/litellm
+      - path: apps/overlays/*/paperclip
   template:
     metadata:
       name: 'aitooling-{{path[3]}}'