By Kieran King When Tamworth were promoted to the National League North last summer, their remit was simple: Stay up. The Lambs took the Southern League Premier Central title on the final day of last season, pipping Coalville on goal difference after a dramatic title race. The club’s board didn’t have high expectations on their return to the sixth tier and just hoped to survive relegation. Instead, the Staffordshire side have thrived, far exceeding that mandate. Andy Peaks’ side have endured a remarkable campaign and currently sit top, 11 points ahead of second-place Scunthorpe and could win t…