[#73264268] cleaning up hash rockets and quotes in tests'
[#74344508] implementing MailCatcher
[#72755572] Admin can create new user accounts
[#72755572] non-admin users cannot visit add user account page in dashboard
[#74402700] admin can update a user
Upgrading rspec and capybara gems
[#74402700] admin can update and delete users
styling, text addition, default admin