NM-120: Netmaker Desktop DNS Improvements (#3690)

* feat(go): return extclient on create;

* feat(go): return success on delete;

* feat(go): set manage dns on user remote gw;

models/structs.go

@@ -52,6 +52,7 @@ type UserRemoteGws struct {
 	AllowedEndpoints  []string   `json:"allowed_endpoints"`
 	NetworkAddresses  []string   `json:"network_addresses"`
 	Status            NodeStatus `json:"status"`
+	ManageDNS         bool       `json:"manage_dns"`
 	DnsAddress        string     `json:"dns_address"`
 	Addresses         string     `json:"addresses"`
 	MatchDomains      []string   `json:"match_domains"`

pro/controllers/users.go

@@ -1399,6 +1399,7 @@ func getRemoteAccessGatewayConf(w http.ResponseWriter, r *http.Request) {
 		Metadata:          node.Metadata,
 		AllowedEndpoints:  getAllowedRagEndpoints(&node, host),
 		NetworkAddresses:  []string{network.AddressRange, network.AddressRange6},
+		ManageDNS:         host.DNS == "yes",
 		DnsAddress:        node.IngressDNS,
 		Addresses:         utils.NoEmptyStringToCsv(node.Address.String(), node.Address6.String()),
 	}
@@ -1550,6 +1551,7 @@ func getUserRemoteAccessGwsV1(w http.ResponseWriter, r *http.Request) {
 			AllowedEndpoints:  getAllowedRagEndpoints(&node, host),
 			NetworkAddresses:  []string{network.AddressRange, network.AddressRange6},
 			Status:            node.Status,
+			ManageDNS:         host.DNS == "yes",
 			DnsAddress:        node.IngressDNS,
 			Addresses:         utils.NoEmptyStringToCsv(node.Address.String(), node.Address6.String()),
 		}
@@ -1601,6 +1603,7 @@ func getUserRemoteAccessGwsV1(w http.ResponseWriter, r *http.Request) {
 			AllowedEndpoints:  getAllowedRagEndpoints(&node, host),
 			NetworkAddresses:  []string{network.AddressRange, network.AddressRange6},
 			Status:            node.Status,
+			ManageDNS:         host.DNS == "yes",
 			DnsAddress:        node.IngressDNS,
 			Addresses:         utils.NoEmptyStringToCsv(node.Address.String(), node.Address6.String()),
 		}