TERRAIN LEVELS
--------------
stone
ors
tuff
bedrock -- solid layer atm, add noise or something for one layer above it

do something with - big ore pockets, or could be used to blend between layers
basalt
gneiss

hardware coloring
bricks, 2 glass blocks, 2 glass panes, wool
^[colorize:gray:90

mapgen granite, decoblocks refined granite

submodules
git pull --recurse-submodules

cd into repo, checkout main

https://minetest.gitlab.io/minetest/helper-functions/