Immersive Storms 1.6.0

• Added a new Black Rain weather effect to Pale Gardens
  • This only affects Pale Gardens, and not other Dense Fog biomes
• Dark Forests, the Deep Dark, and other "Spooky" biomes are now affected by dense fog
• Strong wind from sandstorms and blizzards now plays slightly muffled when indoors
• Fog is now slightly less dense in most cases