add copper block, remove grass..grass should not be a block, well..

maybe the top-level ones will be half-green. but there won't be actually
grass on them. grass is vegetation and is an entity.

so my art assets are hobbled together with minecraft textures (Free ones)
and programmer art.
improve the torch mask image, make it more spread out but 100%

very close to the center, that way it lightens up a bit of everywhere