By Sergiy Chalyi HULIAIPOLE, Ukraine (Reuters) – After eight months of war that has devastated their frontline village, residents of Huliaipole in eastern Ukraine are preparing for their next big battle – the approaching winter. Sixty-year-old Natalia sleeps in a dark and dingy basement with several neighbours, their beds lined up side by side with barely any space between them. Conditions are tough, and there is no electricity, but the cramped basement has helped them survive. “I sleep here,” Natalia said, touching one of the beds. Pointing to the others, she said: “Here my neighbour sleeps. …