ajout de la partie "Sale form" / texte en dur à remplacer via un appel au module campagne

templates/feedbackform.html

+<h2>{{ _("Sale Form") }}</h2>
+<!-- Add here the Sale form your campaign -->
+
+<p>{{ _("Here is some argument in order to help you talking with your interlocutor.") }}</p>
+
 <h2>{{ _("Feedback Form") }}</h2>
 
-<!-- error message -->
+<!-- Form in order to feedback your call -->
 
 <p>{{ _("Please tell us what happened if you was able to talk to someone. Your feedback is important to us.") }}</p>
 
@@ -16,4 +21,4 @@
     </p>
     <input type="submit" name="go" value="{{ _("Send my feedback") }}" />
 
-</form>
\ No newline at end of file
+</form>