xyz server as default multiplayer server

core/src/com/unciv/Constants.kt

@@ -80,6 +80,7 @@ object Constants {
     const val uniqueOrDelimiter = "\" OR \""
 
     const val dropboxMultiplayerServer = "Dropbox"
+    const val uncivXyzServer = "https://uncivserver.xyz/"
 
     const val defaultTileset = "HexaRealm"
     const val defaultUnitset = "AbsoluteUnits"

core/src/com/unciv/models/metadata/GameSettings.kt

@@ -181,7 +181,7 @@ enum class LocaleCode(var language: String, var country: String) {
 
 class GameSettingsMultiplayer {
     var userId = ""
-    var server = Constants.dropboxMultiplayerServer
+    var server = Constants.uncivXyzServer
     var friendList: MutableList<FriendList.Friend> = mutableListOf()
     var turnCheckerEnabled = true
     var turnCheckerPersistentNotificationEnabled = true