sound effects

[zigster64]

add soundeffects to the app

• ping when its your turn
• special tone when its your turn and you hold the flipper
• explosion sounds
• victory trumpet vs durge for losers

[zigster64]

applied sound effects using html audio - pretty simple

needs work to get it working on safari and iOS devices though

[zigster64]

sorted the mac stuff - user needs to interact with the page via clicking a button that explicitly turns on audio, before allowing autoplay