feat: 优化项目结构，更新引擎版本

scripts/game/game.gd

@@ -1,6 +1,6 @@
 extends Node2D
 
-var CardScene = preload("res://prefabs/game/card.tscn")
+var CardScene = preload("res://scenes/game/card.tscn")
 
 var card_list: Array
 

scripts/main_menu/create_game_ui.gd

@@ -5,7 +5,7 @@ func _on_create_game_button_pressed() -> void:
 	if 2 <= player_num and player_num <= 4:
 		MultiGame.create_server(int(player_num))
 		$".".hide()
-		SceneManager.goto_scene("game")
+		SceneManager.goto_scene("game/game")
 	else:
 		$Warn.show()
 

scripts/main_menu/join_game_ui.gd

@@ -5,4 +5,4 @@ func _on_join_game_button_pressed() -> void:
 	var ip: String = $JoinGameEdit.text
 	MultiGame.create_client(ip)
 	$".".hide()
-	SceneManager.goto_scene("game")
+	SceneManager.goto_scene("game/game")

scripts/main_menu/main_menu.gd

@@ -8,7 +8,7 @@ func _on_start_game_pressed() -> void:
 	$CreateGameUI.show()
 
 func _on_setting_button_pressed() -> void:
-	SceneManager.goto_scene("settings")
+	SceneManager.goto_scene("menus/settings")
 
 func _on_quit_game_pressed() -> void:
 	get_tree().quit()

scripts/settings/settings.gd

@@ -25,7 +25,7 @@ func _on_save_button_pressed() -> void:
 
 
 func _on_cancel_button_pressed() -> void:
-	SceneManager.goto_scene("main_menu")
+	SceneManager.goto_scene("menus/main_menu")
 
 
 func _on_download_button_pressed() -> void: