chore: 删除无用的项目配置和资源文件修改android key,修正godot4.3无法构建的问题

- 移除 .gitattributes 和 .gitignore 文件
- 删除 Asserts 目录下的棋盘和棋子基础资源文件

Scripts/Global.cs

@@ -1,85 +0,0 @@
-using Godot;
-using RPPackage;
-
-public partial class Global : Node
-{
-	public RPClientEDWS RPClient = new();
-	public string sessionId;
-	public string URL = "wss://game.zzyxyz.com/";
-	public Node CurrentScene { get; set; }
-
-	// Called when the node enters the scene tree for the first time.
-	public override void _Ready()
-	{
-		RPClient.OnRPCError += (string errCode, string type, string cmd, string errMsg) => {
-			GD.PrintErr($"errCode {errCode}, type/cmd {type}/{cmd}, errMsg {errMsg}");
-		};
-		RPClient.OnClose += (string eventName, object[] args) => {
-			SetProcess(false);
-		};
-		RPClient.OnOpen += (string eventName, object[] args) => {
-			RPClient.UserInit("undefined", "godot chessboard", () => {
-				return RPClient.RegionAdd("server");
-			});
-		};
-		Viewport root = GetTree().Root;
-        CurrentScene = root.GetChild(root.GetChildCount() - 1);
-		SetProcess(false);
-	}
-
-	// Called every frame. 'delta' is the elapsed time since the previous frame.
-	public override void _Process(double delta)
-	{
-		RPClient.PollEx(delta);
-	}
-
-	public override void _Notification(int what)
-	{
-		if (what == NotificationWMCloseRequest) {
-			RPClient.Close();
-			GetTree().Quit(); // default behavior
-		}
-	}
-
-	public delegate void ChangeSceneCallback(Node newSence);
-	private static ChangeSceneCallback changeSceneCallback = null;
-	public void GotoScene(string path, ChangeSceneCallback callback = null)
-	{
-		// This function will usually be called from a signal callback,
-		// or some other function from the current scene.
-		// Deleting the current scene at this point is
-		// a bad idea, because it may still be executing code.
-		// This will result in a crash or unexpected behavior.
-
-		// The solution is to defer the load to a later time, when
-		// we can be sure that no code from the current scene is running:
-		if (callback != null) {
-			changeSceneCallback = callback;
-		}
-		Callable callbackWrapper = new(null, nameof(changeSceneCallback));
-
-		CallDeferred(MethodName.DeferredGotoScene, path, callbackWrapper);
-		changeSceneCallback = null;
-	}
-
-	public void DeferredGotoScene(string path, Callable onLoaded)
-	{
-		// It is now safe to remove the current scene.
-		CurrentScene.Free();
-
-		// Load a new scene.
-		var nextScene = GD.Load<PackedScene>(path);
-
-		// Instance the new scene.
-		CurrentScene = nextScene.Instantiate();
-		if (changeSceneCallback != null) {
-			onLoaded.Call(CurrentScene);
-		}
-
-		// Add it to the active scene, as child of root.
-		GetTree().Root.AddChild(CurrentScene);
-
-		// Optionally, to make it compatible with the SceneTree.change_scene_to_file() API.
-		GetTree().CurrentScene = CurrentScene;
-	}
-}