Feature Controller

Overview

Control below features via JSON file
- Biome Decorations
  - ICE: Ice spike and Ice patch in cold biomes
  - SAND_PASS2: Gravel Generation
- Chunk Features
  - FIRE: Fire patches in Nether
  - NETHER_LAVA: Lava traps facing outside
  - NETHER_LAVA2: Lava traps in Netherracks
  - NETHER_MAGMA: Magma block vein
  - AMINALS: Initial creatures when chunk generated
- Minable Features
- Removing Cave/Ravine
- Prevent Mob Spawning
  - when preventFromSpawner is true, prevent mob spawning from mob spawner
All allowed values are written in config when generated file
- not loaded before the value enabled is changed