Supporting Sign-In and Sign-Out

As we add support for user sign-in and sign-out in this step, we'll make the following changes to the Treehouse.FitnessFrog project: Add action methods to the AccountController class Add a new view model Add a new view Supporting Sign-In Let's start with stubbing out the new controller action methods, view model, and view for the "Sign In" page. Add a new class named "AccountSignInViewMod...