Mettre un champ d'abonnement mailchimp sur le wiki

Réponse au problème :
""<!-- Begin MailChimp Signup Form -->
<div id="mc_embed_signup">
<form action="//cooptic.us15.list-manage.com/subscribe/post?u=bbf6266d135513b280832837f&amp;id=0056b22907" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate>
    <div id="mc_embed_signup_scroll" class="input-group">
	<input type="email" name="EMAIL" class="email form-control" id="mce-EMAIL" placeholder="Votre mail" required>
    <!-- real people should not fill this in and expect good things - do not remove this or risk form bot signups-->
    <div style="position: absolute; left: -5000px;" aria-hidden="true"><input type="text" name="b_bbf6266d135513b280832837f_0056b22907" tabindex="-1" ></div>
   <span class="input-group-btn">
    <input type="submit" value="OK" name="subscribe" id="mc-embedded-subscribe" class="btn btn-default button">
   </span>
    </div>
</form>
</div>

<!--End mc_embed_signup-->""

ATTENTION Il faut remplacer le code mailchimp par le vôtre à deux endroits
+ TESTER juste après pour être sûr