Initial Commit

Commit #0001

 Engine.java implemented:
    - Includes basic game loop
    - Includes basic rendering logic
    - Includes basic updating logic
    - Includes basic FPS / UPS timing

Game.java implemented:
    - Where most game logic takes place

Main.java implemented:
    - main(String[] args) method only

Input.java implemented:
    - Includes basic keyboard pressed/released/down logic
    - Includes basic mouse pressed/released/down logic

Time.java implemented:
    - Includes basic delta time function

Window.java implemented:
    - Static window class