Updated to support CliffTree 3.0 (1.21.5-1.21.10)

Updated to 1.21.6

• Updated surface rules to match CliffTree 2.2
• If you're using the mod versions of Tectonic 3.0 and CliffTree, you no longer need this pack

• Now supports 1.21.5
• Now includes surface rules for Coniferous Badlands and Tropical Beaches

Compatibility between CliffTree and Tectonic datapacks for 1.21-1.21.4. Requires to be loaded above both packs.