update caching configuration documentation
update caching configuration documentation

aspnetboilerplate/aspnetboilerplate,ilyhacker/aspnetboilerplate,luchaoshuai/aspnetboilerplate,carldai0106/aspnetboilerplate,aspnetboilerplate/aspnetboilerplate,ryancyq/aspnetboilerplate,ryancyq/aspnetboilerplate,verdentk/aspnetboilerplate,ryancyq/aspnetboilerplate,verdentk/aspnetboilerplate,verdentk/aspnetboilerplate,carldai0106/aspnetboilerplate,ryancyq/aspnetboilerplate,aspnetboilerplate/aspnetboilerplate,ilyhacker/aspnetboilerplate,carldai0106/aspnetboilerplate,carldai0106/aspnetboilerplate,luchaoshuai/aspnetboilerplate,aspnetboilerplate/aspnetboilerplate,ilyhacker/aspnetboilerplate