fix xmpp connection address handling

config_example.toml

@@ -2,8 +2,8 @@ log_level = 50
 webserver_bind = ":8080"
 
 [xmpp]
-host = "fireorbit.de"
-username = "bot@fireorbit.de"
+address  = "fireorbit.de"
+jid      = "bot@fireorbit.de"
 password = "example"
 startup_notify_user = ["user@fireorbit.de"]
 startup_notify_muc = []

main.go

@@ -34,6 +34,7 @@ func main() {
 
 	router := xmpp.NewRouter()
 	client, err := xmpp.NewClient(xmpp.Config{
+		Address:  config.XMPP.Address,
 		Jid:      config.XMPP.JID,
 		Password: config.XMPP.Password,
 	}, router)