app/views/omniauth_callbacks/ask_for_email.html.erb
<h1><%= t('.header') %></h1>
<%= form_tag auth_at_provider_path(params[:action]) do %>
<%= text_field_tag :email, nil, placeholder: t('layouts.application.placeholders.email') %>
<%= submit_link t('layouts.application.buttons.save'), class: 'button' %>
<% end %>