稍微强化了一下感染的速度，调整了一下AI

Slightly increased the speed of infection and adjusted the AI

Reduced the speed of block infection

add new command

gamerule infect true/false

Set to true, dead block will infect normal blocks and spawn insect baby, set to false will not

降低了方块感染速度

添加了新指令

gamerule infect true/false

设置为true，失活的方块会感染正常方块并生成虫之子，设置为false则不会