The founder of the Grass Valley Basketball League, Steve Matthews, has set his sights on starting a youth basketball league that he hopes will be a jumping off point for a bigger project. Matthews has created the Kids Fitness Spring League, which will open registration in February for a basketball season that tips off March 23 and spans eight games. “The kids will have an NBA style league,” Matthews said. “And I mean an NBA style league. They’re going to have stats, just like we did in the GVBL. “We’ll get the sponsorships in and provide the shirts for the …