Renamed MC_1_21_2 to MC_1_21_3

Added basic cmake file

Merge pull request #119 from DuncanRuns/fix/undefined-overflow-behavior

Update spawn algorithm for 1.21.2 + cmake + more

Tweaked pale parden color for better contrast (similar to chunkbase)

Added Pale Garden biome and Small End Islands

Remove pointless doubling of brackets

Fix undefined overflow behavior

undo bad multiplication

Support for 1.21 + trial chambers + end surface height

Made constellation lists zero terminated

Merge pull request #116 from Rabbit0w0/master

Fixed dimension flag for ruined portals

Smaller memory footprint of generator + small performance gain

support old version of vs