Lurking Depths (DISCONTINUED)

I recommend not reading this to avoid spoiling the surprise
## Features
- Added the Stalker entity that stalks players throughout their world
- Dynamic horror system that intensifies over time
- Environmental manipulation (torch replacement, floating blocks)
- Creepy structure generation in dark areas
- Full multiplayer support
## Mechanics
- Stalker becomes more aggressive over time
- Each player has their own stalker in multiplayer
- Stalker can break certain blocks to reach players
## Aggression increases based on:
- Time spent in world
- Player's health
- Darkness level