USER STORY: User Account Login / Logout

As a User, I would like to be able to login or logout of my account, so that I can keep my account secure

Acceptance Criteria

Acceptance Criteria 1 Given that I am a registered user, who is not logged in When I navigate to the sign in page And, I enter my credentials correctly and press sign in Then I am signed into my account
Acceptance Criteria 2 Given that I am a registered user, who is currently logged in When I click on the sign out link Then I am signed out of my account
Acceptance Criteria 3 Given that I am a registered user, who has signed out of my account When I use the browser navigation buttons such as back button Then I can not access information which requires me to be signed in

[x] Task 1 – Develop the ability for users to sign into their account
[x] Task 2 – Develop a sign in form to capture user sign in details
[x] Task 3 – Develop form validation to ensure the data is correct
[x] Task 4 – Develop a method to validate the data entered matches a user account
[x] Task 5 – Develop a link for users to sign out of their account – should be accessible from all pages – suggest within nav bar, user account section
[x] Task 6 – Develop a redirect so if a user signs out whilst on a page requiring a user to be logged in, it redirects them appropriately.