By Nicolas Martinez Pelicans star Zion Williamson has caught a lot of heat over the past few weeks. On the court, his play has been fine enough but his struggle to stay in shape is still ongoing. As the criticism reached new heights this week, Williamson has responded with some big moments and recently told one insider that the best is yet to come. “They don’t bother me,” said Zion to Brandon ‘Scoop B’ Robinson on the weight jokes from the media. “You ain’t seen nothing yet. The best is yet to come.” Only Zion knows what’s going on in his head, but it’s hard to imagine that the noise isn’t get…