feat: add dns resolver/master classes

- define resolver and master dns server
- export A and PTR records from dns clients
- collect exported resources for master
- create hiera structure for acls, zones and views

hieradata/roles/infra/dns/master.yaml

@@ -0,0 +1,28 @@
+---
+profiles::dns::master::acls:
+  acl-main.unkin.net:
+    addresses:
+      - 198.18.17.0/24
+
+profiles::dns::master::zones:
+  main.unkin.net-master:
+    domain: 'main.unkin.net'
+    zone_type: 'master'
+    dynamic: false
+  17.18.198.in-addr.arpa-master:
+    domain: '17.18.198.in-addr.arpa'
+    zone_type: 'master'
+    dynamic: false
+
+profiles::dns::master::views:
+  authoritive:
+    recursion: false
+    zones:
+      - main.unkin.net-master
+      - 17.18.198.in-addr.arpa-master
+    match_clients:
+      - acl-main.unkin.net
+
+profiles::dns::master::tags:
+  ptr: 'master-ptr-records'
+  a: 'master-a-records'