feat: add incus image host (#254)

- add role
- add consul service + checks
- manage the datavol as zfs
- insure the incus fact exists before attempting to read it

Reviewed-on: https://git.query.consul/unkinben/puppet-prod/pulls/254

site/roles/manifests/infra/incus/imagehost.pp

@@ -0,0 +1,10 @@
+# a role to deploy a incus image server
+class roles::infra::incus::imagehost {
+  if $facts['firstrun'] {
+    include profiles::defaults
+    include profiles::firstrun::init
+  }else{
+    include profiles::defaults
+    include profiles::base
+  }
+}