Revise the tasks of building a hospital and rescuing people.

[h3]Optimize:[/h3] Revise the task requirements for building a hospital by reducing the required funds and increasing the amount of wood and iron ore materials. Revise the task of arranging medical treatment outside of prison for Mingzhu by reducing the required funds. [h3]Fix:[/h3] Fix the issue where nurses appear on the mini-map when the hospital is not unlocked.