Add basic starter prototypes

[unitycoder]

• [ ] 2D top down character
• [ ] 3D first person
• [ ] 2D physics scene
• [ ] 2D grid based
• [ ] 3D flying first person
• [ ] 2D side scroller character

[unitycoder]

good sample 2D sprite character http://opengameart.org/content/alternate-lpc-character-sprites-george