2025.02.08 demo version

Upgraded the placement ability of bot players to be more strategic (maybe) and polite when placed. The demo version is for reference only, and more rules and features will be added to enrich the game content in the future.
升级了AI玩家的放置能力，使得其放置时更有策略（存疑），也更有礼貌一些。仅供参考的演示版本，后续会上线更多变体规则与功能来丰富游戏内容。