start honking counter when car actually stops

Added music to assets, later I'll add it to game

car lights seem to be buggy, must be tested with HMD

Gibt noch einige probleme zu lösen (baumen farbe, wasser zu durchsichtig, ein vertex neben der berg der nicht auf seine platz ist...)

Currently I'm just disabling the light source when night is chosen. Night has to be "styled" with street lamps etc. in new model.

to do:
styling, controller input, options

Cars start honking when the lane has been closed for 10 seconds.

Still figuring out where to put the score. At the moment it's on the street.

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