Pillager-Occupied villages

With the overworld filled with many zombie-infested villages, there should also be villages overtaken by the illagers, enslaving the villagers that remain for their gain.

• Occupied villages are a bit more common than zombie villages. Perhaps around 4-6%?
• Contains many ruined houses and looted chests flying pillager banner.
• A new illager, the overseer, patrols the village with crossbow and is hostile to the player, not villagers.
• Overseer sometimes shoots unemployed villagers and nitwits.
• Enslaved villagers wear rags and chains for base skin instead of robes.
• The schedule of villagers have less sleep, working for the rest of the day without leisure.

Also, the player can also "liberate" the village by killing all illagers in the village, thereby granting infinite Hero of The Village effect.  A regular village will not become occupied should a raid be lost, as Occupied Villages are a seperate structure.