app/views/contact/_form.html.erb
<%= form_with model: contact, local: true, url: url, id: "form" do |f| %>
<%= render "error_messages", object: f.object %>
<div class="row">
<%= f.label :message, "Ton message" %>
<%= f.text_field :message, required: true %>
</div>
<div class="row">
<%= f.label :email, "Ton email" %>
<%= f.email_field :email, required: true %>
</div>
<div class="row">
<%= f.label :verification, "Combien font 2+2?" %>
<%= f.number_field :verification, required: true %>
<br>
</div>
<%= f.submit "Envoyer" %>
<% end %>