models/extclient: Add Address6 to ExtClient

Signed-off-by: John Sahhar <[email protected]>

models/extclient.go

@@ -8,6 +8,7 @@ type ExtClient struct {
 	PublicKey              string `json:"publickey" bson:"publickey"`
 	Network                string `json:"network" bson:"network"`
 	Address                string `json:"address" bson:"address"`
+	Address6               string `json:"address6" bson:"address6"`
 	IngressGatewayID       string `json:"ingressgatewayid" bson:"ingressgatewayid"`
 	IngressGatewayEndpoint string `json:"ingressgatewayendpoint" bson:"ingressgatewayendpoint"`
 	LastModified           int64  `json:"lastmodified" bson:"lastmodified"`