Add sound files to project.

Signed-off-by: pwnsauce <RPG405@gmail.com>
Add postgame info to scoreboard. (just displays static data for now)
Refactor scoring to use an array of player structs instead of keeping track in random variables.

Signed-off-by: pwnsauce <RPG405@gmail.com>
Abstract inverted round logic into its own method to clean up code.
"goals scored" and "matches won" part of postgame screen works.
Still need to implement "avg score time"

Signed-off-by: pwnsauce <RPG405@gmail.com>
Implemented average score time on postgame screen.

Signed-off-by: pwnsauce <RPG405@gmail.com>