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/projects/platform.yaml

@@ -17,6 +17,8 @@ spec:
       server: https://kubernetes.default.svc
     - namespace: 'artifactapi'
       server: https://kubernetes.default.svc
+    - namespace: 'age-api'
+      server: https://kubernetes.default.svc
     - namespace: 'cert-manager'
       server: https://kubernetes.default.svc
     - namespace: 'certificates'