Input system

[BNTFryingPan]

create the input system

• [X] basic keyboard input handler
• [X] basic mouse cursor handler
• [x] better multi-cursor handler
• [x] basic controller input handler
• [ ] #16
• [X] on screen cursor that clicks buttons

[BNTFryingPan]

need to revisit loading from a file later, but for now, closing