Explication: add field and template

app/models/type_de_champ.rb

@@ -16,7 +16,8 @@ class TypeDeChamp < ActiveRecord::Base
            regions: 'regions',
            departements: 'departements',
            engagement: 'engagement',
-           header_section: 'header_section'
+           header_section: 'header_section',
+           explication: 'explication'
        }
 
   belongs_to :procedure

app/views/users/description/champs/_render_list_champs.html.haml

@@ -41,6 +41,8 @@
           - elsif champ.type_champ == 'departements'
             = render partial: 'users/description/champs/departements', locals: { champ: champ }
 
+          - elsif champ.type_champ == 'explication'
+
           - else
             %input.form-control{name:"champs['#{ champ.id }']",
                             placeholder: champ.libelle,

config/locales/models/type_de_champ/fr.yml

@@ -21,4 +21,5 @@ fr:
           regions: 'Régions'
           departements: 'Départements'
           engagement: 'Engagement'
-          header_section: 'Titre de section'
+          header_section: 'Titre de section'
+          explication: 'Explication'