User can register account

[BryanNilsen]

Story

As a user, I should be able to fill out a form with my email address, and password of my choice to register myself in the application

Acceptance Criteria

Given a user wants to use SwishList
When the user first accesses the application
Then the user should see a welcome message
And a hyperlink to the registration form

Given a user wants to register an account with SwishList
When the user clicks the Register hyperlink
Then a registration form should be displayed where the user can enter in an email address, password, and other personal information

Given a user has filled out all fields of the registration form
When the user clicks the Register button
Then the system should check if the email address is unique
And if both are unique, a new account should be created
And the user should be taken to the main view of SwishList