ToyCommander

--- UI and SFX

1. Add SFX to powerups

--- Vehicles

1. Add a missile weapon with sound effect

2. Add tracer bullets to machine gun - bullet prefab needs instantiation and refinement

3. Tank still pulls to the right when moving forward

4. Auto-Upright script for Vehicles

--- Environment

1. Fix Fireplace Mantle, Solo Cup PREFAB, Bookcase