1.2.0

The long-waited update for Deeper and Darker, including plenty of bug fixes and changes with some new content!

Changes:

= updated to Minecraft 1.20.1
= updated license to AGPL-3.0
= fixed a crash that occurred at world save
= reordered everything in the creative mode tab
= updated Otherside terrain (less nether-like)
= Otherside biomes are now smaller and less spread out
= decreased sculk sensor, catalyst, and shrieker generation in Otherside deeplands
= decreased sculk tendril and vine generation
= increased sculk gleam generation in echoing forests
= changed fog colors for Otherside biomes
= changed mob spawn rules for Otherside biomes
= decreased air exposure for sculk stone ores
= changed how gloomy geysers affect entities
= updated ancient vase loot table
= updated infested sculk loot table
= ancient vases can now be picked up using silk touch
= ancient vases are now affected by gravity
= updated echo wood textures
= updated sculk stone ore textures
= updated textures for some sculk stone and gloomslate blocks
= updated sculk jaw's texture
= adjusted crystallized amber's transparency
= updated recipes for sculk stone and gloomslate blocks
= changed reinforced echo shard's crafting recipe
= changed spawn egg colors
= increased warden armor protection
= warden leggings now changes the player's speed attribute, instead of applying the speed effect
= warden boots now properly dampen movement vibrations
= heart of the deep is no longer consumed when igniting the Otherside portal
= fixed sounds that did not play
= fixed sound attenuation
= changed sculk affinity potion color
= sculk mobs no longer target each other
= changed sculk snapper enchanted book rates
= fixed pathfinding for shattered and the stalker
= changed shriek worm behavior
= fixed the stalker not moving when spawned
= updated hitboxes for entities

+ added sculk grime
+ added sculk grime bricks, stairs, slab, and wall
+ added echo sapling
+ added echo hanging signs
+ added gloomslate ores
+ added grime ball
+ added grime brick
+ added warden upgrade smithing template
+ re-added and improved the sculk transmitter (now connects to more blocks!)
+ added catalysis enchantment
+ added new sounds
+ increased world height for the Otherside
+ entirely new generation in echoing forests
+ added vegetation generation in overcast columns
+ added new columns (found in the Otherside deeplands and overcast columns)
+ fire on gloomslate can now infinitely burn
+ gloomy cactus can now be smelted into orange dye
+ infested sculk now spawn sculk leeches when broken without silk touch
+ completely reworked ancient temple generation and architecture (uses jigsaws now!)

- removed random boost ability from soul elytras
- bye bye GeckoLib

Full Changelog: 1.1.6...v1.2.0