Generic fungus item-givers

There are a few generic Fungus item-givers. These all have pools with identical items.

The generic Fungus item-givers are:
 * Peridot Necklace
 * Doom Marieke Doll

As of August 24th, 2018, all of the items in the pool are:
 * Creeping Fungus
 * Green Mushroom
 * Red Mushroom
 * Shroom Of Doom