refactor(重构): 重构了事件驱动的代码体系,使用全新命名和版本,以及测试套件的初试

- 移除了.csproj文件
- 更新了.gitignore，添加了.editorconfig
- 重构了IBoard和IPiece接口，引入了新的事件处理机制
- 优化了CCBoard、CCPiece等类的实现，使用新的事件驱动模型
- 删除了冗余代码，提高了代码的可读性和可维护性

Scripts/Controllers/ChessGame.cs

@@ -1,3 +1,4 @@
+#nullable disable
 using Godot;
 using Godot.Collections;
 using ChineseChess;
@@ -39,15 +40,15 @@ public partial class ChessGame : Node2D {
 			sideOpposite = ChessCore.TurnsSideType.Red;
 		}
 
-		if (isSession) {
-			Game = new(ChessCore.Mode.MultiMode, sideSelf);
-		} else {
-			Game = new(ChessCore.Mode.SingleMode, sideSelf);
-		}
-		board.LoadBoard(Game.board);
+		// if (isSession) {
+		// 	Game = new(ChessCore.Mode.MultiMode, sideSelf);
+		// } else {
+		// 	Game = new(ChessCore.Mode.SingleMode, sideSelf);
+		// }
+		Game = new(isSession ? ChessCore.Mode.MultiMode : ChessCore.Mode.SingleMode, sideSelf, board);
 		Game.Init();
 
-		Game.board.OnStepsChanged += (sender, e) => {
+		board.OnStepsChanged += (sender, e) => {
 			turnSideEdit.Text = Game.GetTurnsType() == ChessCore.TurnsSideType.Red ? "red" : "black";
 		};
 

Scripts/Controllers/GameLobby.cs

@@ -1,3 +1,4 @@
+#nullable disable
 using Godot;
 using Godot.Collections;