Add age-api deployment (#210)

## Summary
- Deploy age-api to the au-syd1 cluster
- Uses configMapGenerator for people config with jaidi, ben, and sudaporn
- Includes gateway, httproute, service, and deployment
- Image: git.unkin.net/unkin/age-api:v0.1.0

Reviewed-on: #210
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>

argocd/applicationsets/platform.yaml

@@ -11,6 +11,7 @@ spec:
       revision: HEAD
       directories:
       - path: apps/overlays/*/artifactapi
+      - path: apps/overlays/*/age-api
       - path: apps/overlays/*/cattle-system
       - path: apps/overlays/*/cert-manager
       - path: apps/overlays/*/certificates