repurpose dual-horizontal shooter (v3)

[User0332]

the shooter must fit on the top of the v3 bot with a short barrel (transfers that pass through the shooter gate should be shot immediately)

@CyberRaptors/mechanical

[User0332]

shooter angle should be reduced slightly and compression should be increased to allow for far shot

@User0332 measure v2 shooter angle before dismantling for reference