Better audio handling

[Polooo2]

change audio from DOM manipulations to new Audio()

[Polooo2]

furthermor add possibility to play a certain sound x times before ending

[Polooo2]

add possibility of fallback audio file (e.g. mp3 and ogg and wav)

[frostney]

@Polooo2 is this already finished or do you want to work on it further? If it's the first, please close this ticket :)

[Polooo2]

Hmm haven't tested it thoroughly. I would close it when the migration of one of my projects is finished.