Big ol' update

NEW Update 24/3, 

•  Added menus (main and pause)
•  Added Character models and customizer
•  Improved NPC visuals and behaviour
•  Volume control for music and SFX
• Layout improvements
•  General but fixes for smoother play

- If you throw a DVD into the returns box (marked with a floating arrow icon) it will disappear into the ether

- The player suddenly gets moved to a new location shortly after game starts

- DVD player not changing movies as expected in some circumstances

- Rotate DVDS to "face forward" on the shelves to help indicate max shelf capacities

- Needs pause with on screen instruction  - LINK TO MAIN MENU SETTINGS BUTTON

- Needs audio settings + music

- Missing feedback animation when standing at service area Implement error notifications when the player or shelf is at max capacity and trying to add another DVD

- NPC pathfinding is a bit jerky and leaves a lot to be desired - STILL NEEDS IMPROVEMENT

- DVD to Shelf colour contrast needs to be much better - STILL NEEDS IMPROVEMENT

- Some issues with final scores, new scoring system and multiple level layouts coming soon. 

- Loading brief *freeze* delay may occur when starting game for first time.

- Add control customizer