Write failing test:  Signing up with email displays success message
Write failing test => /sign_ups/new routes to SignUpsController#new
Create route for new_signup_path
Write failing test => SignUpsController#new sets @sign_up
Create SignUpsController
Add fabrication gem
Create Frabricator(:sign_up)
Write failing test => SignUp validates presence of email
Fix typo in SignUp model test
Move fabricator for SignUp to correct directory

- somehow I created it in the .git directory
Create migration to create sign ups table
Fix typo in test for Sign Up model test
Add faker gem
Add email to SignUp fabricator
Test passing => SignUp validates presence of email
Typo in test => Signing up with email displays success message
Create the new view for SignUp
Refactor failing test => SignUpsController#new sets @sign_up