v1.5 Update

Made a few changes and added a page of NPC classes.

Most significantly, changed one of the Moon's People sentences being about Angels specifically, to Cadersain wildlife in general. Makes it a little more generally applicable for short visits to the Moon, with longer stays or focused games being able to go to the NPC classes to get more detailed options. Also trying to keep the Moon sentences available for player use so that they don't have to write an entirely new one if they want 'natural' options that aren't Angel focused.