Nicolas Kuhn has opened up on what Adam Idah is like behind the scenes at Celtic after the striker made his big move from Norwich City this week. The Republic of Ireland international put pen to paper on a five-year deal after Celtic agreed to pay Norwich City £9.5m after a summer of negotiations for the big striker. Idah was crucial to Celtic’s successes on the park last season but it’s behind the scenes where teammate, Nicolas Kuhn, shares just how important the Irishman is to Brendan Rodgers’ team. Idah’s ‘big character’ in Celtic dressing roomQuality off the pitch is just as important as h…