Spawn Structures

ChangeLog:

• Implemented biome-dependent Substrate
• Added 2 new Config options:
  • "Set Spawn Biome" - sets whether the Starter Structure should spawn in a specific biome
  • "Spawn Orientation" - defines which direction the Player spawns facing when spawning inside the Starter Structure

Known Issues:

• The issue from BETA 1.0.5 persists.