Joe Rogan is playing nice with Katt Williams.After the comedian scorched several legendary stars and dissed the UFC commentator’s podcast, Rogan has invited Williams to join him on The Joe Rogan Experience to clear the air, RadarOnline.com has learned. As this outlet reported, Williams made headlines when he attacked “potato head” Steve Harvey, “walrus” Cedric the Entertainer, Rickey Smiley, Kevin Hart, and more in his sit-down with Shannon Sharpe last week. Between taking jabs at fellow comedians, Williams claimed Rogan doesn’t want to give him a platform on his controversial podcast. “If you…