Had some conflicts that decided to attack my code
Media

Added game music and sounds for when players start the game and fail the
game. Also added a background for the gameboard to lay over.
Background

Organised my page layout and made some changes to the moving BG
Music

Set when to start and stop audio
Gameplay

Added alternate fire, changed some alien behaviour and added constraints
for player movement
Extra keys

Added the commands for new controls such as up and down and made the gap
between aliens bigger
Gameboard

nothing much just changed the dimensions