Prefab for prefabulous

Changelog
- Added a material for the Goal object
- Added a Prefabs "folder"
- Added files for a GUI...but not using them...yet
- Added a nu
Artificial "Intelligence"

Changelog
- Added a patrol class, this class makes it so that the enemies have
waypoints, and that they will cycle through these waypoints, colliding
with the enemy does not stop them, hence "Intelligence"
- Enemy Prefab added, this is just so that the enemy game object is
easily able to be added to any new levels.
- Prefabs folder exists! Prefabulous!