proper formatting of WireGuard config file / add wireguard_dc variable (#74)

templates/wg.conf.j2

@@ -53,7 +53,14 @@ SaveConfig = true
 {%     if hostvars[host].wireguard_persistent_keepalive is defined %}
 PersistentKeepalive = {{hostvars[host].wireguard_persistent_keepalive}}
 {%     endif %}
-    {% if hostvars[host].wireguard_port is defined and hostvars[host].wireguard_port is number %}
+{%     if (
+         hostvars[host].wireguard_dc is defined and
+         hostvars[inventory_hostname].wireguard_dc is defined and
+         hostvars[inventory_hostname].wireguard_dc['name'] != hostvars[host].wireguard_dc['name']
+       )
+%}
+Endpoint = {{hostvars[host].wireguard_dc['endpoint']}}:{{hostvars[host].wireguard_dc['port']}}
+{%     elif hostvars[host].wireguard_port is defined and hostvars[host].wireguard_port is number %}
 {%       if hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
 Endpoint = {{hostvars[host].wireguard_endpoint}}:{{hostvars[host].wireguard_port}}
 {%       else %}
@@ -70,7 +77,7 @@ SaveConfig = true
 {% endfor %}
 {% if wireguard_unmanaged_peers is defined %}
 
-    # Peers not managed by ansible from wireguard_unmanaged_peers
+# Peers not managed by Ansible from "wireguard_unmanaged_peers" variable
 {% for peer in wireguard_unmanaged_peers.keys() %}
 [Peer]
 # {{ peer }}