Add two power cells whose power generated depends on the average mood of the colonists.
Angel Power Cell: Generates more power if colonists are happy.
Devil Power Cell: Generates more power if prisoners are unhappy.
Both unlocked after researching advanced fabrication.
添加了两种发电量取决于小人人均心情的能量电池。
天使电池：殖民者人均越开心，发电量越大
恶魔电池：囚犯人均越不开心，发电量越大
在研究高级精密装配后解锁
