feat(chinese-chess): 实现中国象棋核心逻辑和基本功能

- 抽象出 ChessCore 类，包含游戏初始化、行棋逻辑、悔棋等功能
- 重构 Player 类，优化行棋和记录逻辑
- 更新 ChessBoard 和 ChessPiece 类，适应新逻辑
- 移除冗余代码，提高代码可读性和可维护性

Scenes/Setting.tscn

@@ -113,6 +113,7 @@ size_flags_horizontal = 3
 [node name="Button" type="Button" parent="BoxContainer/HBoxContainer/MarginContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
+disabled = true
 text = "Clear Config"
 
 [node name="MarginContainer2" type="MarginContainer" parent="BoxContainer/HBoxContainer"]
@@ -121,6 +122,7 @@ size_flags_horizontal = 3
 
 [node name="Button2" type="Button" parent="BoxContainer/HBoxContainer/MarginContainer2"]
 layout_mode = 2
+disabled = true
 text = "Clear User Data"
 
 [node name="HFlowContainer" type="HFlowContainer" parent="BoxContainer"]
@@ -129,21 +131,25 @@ layout_mode = 2
 [node name="Button" type="Button" parent="BoxContainer/HFlowContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
+disabled = true
 text = "GetCacheDir"
 
 [node name="Button2" type="Button" parent="BoxContainer/HFlowContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
+disabled = true
 text = "GetConfigDir"
 
 [node name="Button3" type="Button" parent="BoxContainer/HFlowContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
+disabled = true
 text = "GetDataDir"
 
 [node name="Button4" type="Button" parent="BoxContainer/HFlowContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
+disabled = true
 text = "GetUserDataDir"
 
 [connection signal="pressed" from="BoxContainer/MarginContainer/Back" to="." method="OnBack"]