Personnalisation des extranets (#2646)

app/controllers/admin/communication/extranets_controller.rb

app/mailers/extranet_mailer.rb

app/models/communication/extranet.rb

app/models/communication/extranet/localization.rb

app/models/communication/website/page.rb

app/models/university/person/localization.rb

app/views/admin/communication/extranets/_form.html.erb

app/views/admin/communication/extranets/_list.html.erb

app/views/admin/communication/extranets/index.html.erb

app/views/extranet/application/_upper_menu.html.erb

app/views/extranet/layouts/application.html.erb

app/views/extranet/layouts/devise.html.erb

app/views/mailers/extranet/invitation_message.html.erb

config/locales/communication/en.yml

config/locales/communication/fr.yml

config/locales/en.yml

config/locales/fr.yml

db/migrate/20250131065408_add_upper_menu_to_extranets.rb

...tation_message_to_communication_extranet_localizations.rb

db/schema.rb