Add Wireguard playbook and first commit

roles/homelab/wireguard/templates/db.serti.fun.j2

@@ -0,0 +1,22 @@
+$TTL 3600
+@       IN  SOA wireguard.serti.fun. admin.serti.fun. (
+            1           ; serial
+            3600        ; refresh
+            1800        ; retry
+            604800      ; expire
+            3600        ; minimum
+        )
+
+; Name servers
+@       IN  NS  wireguard.serti.fun.
+
+; A records
+wireguard   IN  A   {{ wireguard_address }}
+
+@                   IN  A       {{ wireguard_remote_address }}
+{% set apache2 = wireguard_clients | selectattr('name', 'equalto', 'apache2') | first %}
+{% for sub in subdomains %}
+{{ sub }}           IN  A       {{ apache2.address }}
+{% endfor %}
+
+*           IN  A   {{ wireguard_remote_address }}