Better Trade Rebalence

Instead of making getting diamond armor near impossible to get for just emeralds from villagers, make villagers level up what the trade you based on raid completion, with really low level gear/enchants from villagers until, say, these villagers have been saved from 10 raids. This means players need do one of a few things: 1. make a raid farm (this takes a long time) 2. struggle through the raids(this is no fun and takes a long time) or 3. get gear before villagers!