Spider Caves (Creepy Crawly Caves)

This new biome is are rare new biome that generates deep in the caves. The biome will be filled with brand new variants of cobwebs and spider eggs, as well as moss and new cave ferns. Spiders will be the only mob that spawns in theses caves, along with new baby spiders and other variants with other new insect mobs such as giant centipedes and cockroaches. A new rare structure can spawn in the creepy crawly cave biome too called quarry ruins. These are giant caverns generating 2x2 oak pillars that span to the bottom to the ceiling, these pillars sometimes generate plank platforms of varying height that spawn chests covered in cobwebs. Maybe even a new mini boss can spawn in this cave biome too called the spider queen, by which the location of this mini boss being obtained by trading with a cartographer villager.