2fa

Gemfile

Gemfile.lock

app/mailers/devise_mailer.rb

app/models/user.rb

app/models/user/with_authentication.rb

app/models/user/with_devise.rb

...ews/devise/mailer/two_factor_authentication_code.html.erb

config/initializers/devise.rb

config/locales/en.yml

config/locales/fr.yml

.../20211008151544_two_factor_authentication_add_to_users.rb

db/migrate/20211008152623_add_session_token_to_users.rb

db/schema.rb

test/fixtures/users.yml

test/models/user_test.rb