Initial Commit

Typing random keys will output commands into a white-on-black text
window, and hitting enter will start a text flood in one window and
open the next.
Add blinking cursor
Added keyboard pop-up for mobile
Add 'Access Granted' goal window.
Working goal screen before refactor
Completed refactor

Added DisplayWindow class
Added CommandWindow class
Control window generation with generateWindow()
Tested No Go display window with image
Added sound effects and mute button, but mute doesn't work yet.
Add background music button and buggy sounds.
Use Web Audio API for sounds.
Added new audio files, but they don't play properly
Removed unnecessary files from repository, added .gitignore