feat: sydney haproxy cluster

- add au-syd1 halb cluster
- add http-response to frontends
- manage haproxy after enc_role is correct

site/profiles/manifests/proxmox/params.pp

@@ -38,6 +38,7 @@ class profiles::proxmox::params (
     'ceph-volume',
     'gdisk',
     'nvme-cli'
-  ]
+  ],
+  Stdlib::Port  $pve_webport  = 8006,
 ){
 }