DETROIT — There currently are quite a few reasons for Red Wings fans to be optimistic about this team. But one major reason why the Wings could possibly end a seven-year playoff-drought is the depth in their lineup, which has helped them get off to a strong start. They simply haven’t had this depth over the past seven years. There’s NHL-quality players up and down the lineup. And, beginning Thursday against San Jose, the Wings have added Patrick Kane, a Hall of Fame-caliber offensive player throughout his career. Coach Derek Lalonde acknowledge the depth the Wings possess this season has been …