middleware-medium-app-use

app.Use(async (context, next) =>
            {
                await context.Response.WriteAsync("app.Use() 1 Oncesi\n");
                await next();
                await context.Response.WriteAsync("app.Use() 1 Sonrasi\n");
            });

            app.Use(async (context, next) =>
            {
                await context.Response.WriteAsync("app.Use() 2 Oncesi\n");
                await next();
                await context.Response.WriteAsync("app.Use() 2 Sonrasi\n");
            });

            app.Run(async (context) =>
            {
                await context.Response.WriteAsync("app.Run() 1 MERHABALAR\n");
            });

            // Bu kısım çalışmayacak   
            app.Run(async (context) =>
            {
                await context.Response.WriteAsync("app.Run() 2 MERHABALAR\n");
            });