v0.30.0

New

• Add a European server
• Add a proper in-game menu

Changed

• Require use of command line options to set custom game parameters
• Various adjustments to visuals, audio, and UI
  • Overseer tally: Use heavy circles instead of slashes
  • Flag notification SFX: Decrease volume
  • Overseer visual: Thicken core ring
  • Help screen: Formatting
  • Other small adjustments