AdvancedForwarding: implemented conditional forwarding client subnet. Updated app config template.

Apps/AdvancedForwardingApp/App.cs

@@ -189,6 +189,8 @@ namespace AdvancedForwarding
             if (!group.TryGetForwarderRecords(qname, out IReadOnlyList<DnsForwarderRecordData> forwarderRecords))
                 return Task.FromResult<DnsDatagram>(null);
 
+            request.SetShadowEDnsClientSubnetOption(network, true);
+
             DnsResourceRecord[] authority = new DnsResourceRecord[forwarderRecords.Count];
 
             for (int i = 0; i < forwarderRecords.Count; i++)

Apps/AdvancedForwardingApp/dnsApp.config

@@ -62,7 +62,7 @@
             "cloudflare-google"
           ],
           "domains": [
-            "example.net"
+            "*"
           ]
         }
       ],