Big Globe Compat - Galosphere

• Fixed caves systems being pretty shallow overall. • Added new Forgotten Ruins structures.

• Made biomes a bit more common. • Crystal Canyons now use the Galosphere feature for the spikes, looking better overall. • Lichen Caves don't have mushrooms spawning underwater now. • File cleaning.

Added the Galosphere's biomes to the Big Globe undergroung tag.

Initial release for Big Globe 4.10.0.