Train Horn when starting and on signal, remade from GotLag's Honk

Buttons:
Manual Drive - "H" Button
Automatic Drive - "J" Button

V1.0.2
- Trains in stackers no longer use their horn
- Updated and cleaned sound added

V1.0.1
- Fixed mod cannot find right path to sound

V1.0.0
- Changed to realistic train horn sound
- Delay changed from 2 seconds to 3 seconds