Gym bosses say they are not worried about the potential arrival of a huge luxury health and fitness complex – as it will attract a “completely different clientele”. David Lloyd Leisure, which charges monthly membership fees starting from £139 elsewhere in Kent, wants to open a new facility near Sainsbury’s at Altira Park in Herne Bay. New images show how the gym – which would be the town’s sixth – could look, with councillors set to give it the green light at a meeting tonight. But current operators who charge far less say they are not concerned about facing new competition – and question whet…