Todd Spangler NY Digital EditorKevin Hart is counterprogramming against a flood of grim headlines with his first original series for Snapchat: “Coach Kev,” in which the multihyphenate acts as your mentor to dole out bursts of inspirational of positivity and wisdom.Hart is extending his Laugh Out Loud comedy brand to Snapchat with the 10-episode unscripted series, which premieres Saturday, Oct. 10.