Phase Offset Modulation VCO Paerox

VCO that produces a pulse wave without the DC offset by the way of phase offset subtraction. https://docs.reasonstudios.com/reason13/subtractor-synthesizer#1002656

<@643982113946992700> VCO that produces a pulse wave without the DC offset by the way of phase offset subtraction. Based on: https://docs.reasonstudios.com/reason13/subtractor-synthesizer#1002656 by paerox_