Feat: Global config override (#1720)

* be able to change dns. implement global override

* link donate to readme

* implement global config for allowed ips

* change translations, fix generation

* improve docs

src/server/utils/wgHelper.ts

@@ -59,13 +59,13 @@ PostDown = ${iptablesTemplate(hooks.postDown, wgInterface)}`;
     return `[Interface]
 PrivateKey = ${client.privateKey}
 Address = ${client.ipv4Address}/${cidr4Block}, ${client.ipv6Address}/${cidr6Block}
-DNS = ${client.dns.join(', ')}
+DNS = ${(client.dns ?? userConfig.defaultDns).join(', ')}
 MTU = ${client.mtu}
 ${hookLines.length ? `${hookLines.join('\n')}\n` : ''}
 [Peer]
 PublicKey = ${wgInterface.publicKey}
 PresharedKey = ${client.preSharedKey}
-AllowedIPs = ${client.allowedIps.join(', ')}
+AllowedIPs = ${(client.allowedIps ?? userConfig.defaultAllowedIps).join(', ')}
 PersistentKeepalive = ${client.persistentKeepalive}
 Endpoint = ${userConfig.host}:${userConfig.port}`;
   },