make new LocalStorage Class and move save functions into it

server/Server.py

@@ -2,6 +2,8 @@ from server.Files import read_file
 from server.GameBoard import GameBoard
 from server.SnakeBuilder import SnakeBuilder
 
+from statestorage.LocalStorage import LocalStorage
+
 from flask import Flask
 from flask import request
 import logging, json, os, re
@@ -133,8 +135,8 @@ class Server:
       game_board = self._get_game_board(game_state, end=True)
       if not game_board.get_winner() == "me" and not game_board.get_turn() <= self.store_game_when_win_and_moves_are_bigger_as:
         game_board.save(
+          LocalStorage,
           file_path=os.path.join(self.data_path, 'data'),
-          callback=json.dump, indent=2, ensure_ascii=False
         )
 
     print("GAME ENDED: Winner is", [ x["name"] for x in game_state["board"]['snakes']])