SPT-AKI: Save system revamp SPT-AKI: 保存系统改造

SPT-AKI now has single-file saves!
This will allow for easier profile transfering and sharing, as well as no need to wipe between version anymore.
Progress is going well, we might release a build early.

SPT-AKI现在有单文件保存!

这将允许更容易的配置文件转移和共享，以及不需要擦除版本之间了。

进展顺利，我们可能会提前发布一个构建版本。