Attesting to NYFF’s eagerness to hear black voices, the fest featured three main slate films from British director/writer Steve McQueen (“12 Years a Slave’’) that are part of a five-episode West Indian community-based mini-series “Small Axe.’’ McQueen’s homage to his Caribbean roots will appear on Prime Video later this year. Other NYFF entries will roll out in theaters, VOD and on streaming service – in months to come