(Corrects joint lead manager to BNP Paribas in final paragraph)By Abhinav RamnarayanLONDON, Sept 30 (IFR) - The Grand Duchy of Luxembourg has recorded an order book of over 500m on a debut 200m five-year sukuk, according to a lead.The deal has launched at 2bp below mid-swaps, the tight end of initial price thoughts of mid-swaps less 0bp-2bp set on Monday.The sovereign, rated Aaa by Moody&aposs and