Nappy Roots member Fish Scales is no stranger to entrepreneurship. The Milledgeville, Ga.-native (born Melvin Adams Jr.) partnered with Atlanta-based Center Table owner Chef Lara Holland to launch Healthy Bark, a dog treat manufacturer that makes human-grade treats for pets from spent (leftover from breweries) grain. While Nappy Roots is best known for their hits "Po' Folks", "Awnaw", "Roun' The Globe" and "Good Day,” which have appeared in numerous films, television shows and video games, the…