If you had the chance to make a six-episode TV show, about whatever you wanted, what would you do? It's not necessarily an easy question, but one thing's for sure: The answer probably says a lot about you as a person. And that's a big factor in what makes O-T Fagbenle's Maxxx, a Channel 4 production which just premiered in the U.S. on Hulu, so fascinating. A spiritual cousin to projects like Turn Up Charlie and Popstar: Never Stop Popping, Maxxx features Fagbenle as a one-time boybander whose career has descended into …