Merge transport and orders system

feat: Implement transport and orders system for mech

Merge economy system with combat

feat: Implement economy system with credit-based unit purchasing

feat: Implement combat system with hit detection and respawn

Merge base system with tilemap, mech, and units

Merge unit system with tilemap and mech

feat: Implement base system with HQ and outposts

feat: Implement deployable combat unit system

Merge tilemap system with player mech

feat(tilemap): Implement tile map system

feat: Implement transforming player mech

feat: Initialize Go project with Raylib integration

init