Add server-managed balance configuration

online_manager.gd

@@ -394,6 +394,13 @@ func server_info() -> Dictionary:
 	return _parse_rpc_result(result)
 
 
+func fetch_game_balance() -> Dictionary:
+	if not is_authenticated():
+		return {}
+	var result = await client.rpc_async(session, "get_game_balance", "{}")
+	return _parse_rpc_result(result)
+
+
 func submit_run(record: Dictionary) -> bool:
 	if not is_authenticated():
 		return false