add public feed

templates/app/home.html.twig

@@ -25,6 +25,20 @@
                     développé par <a href="https://www.deblan.io" target="_blank">Simon Vieille</a>
                 </p>
             </div>
+
+            {% if mailings|length %}
+                <div class="col-6 m-auto">
+                    <ul class="list-group">
+                        {% for mailing in mailings %}
+                            <li class="list-group-item">
+                                <a href="{{ path('mailing_rss', {mailing: mailing.id}) }}">
+                                    {{ mailing.label }}
+                                </a>
+                            </li>
+                        {% endfor %}
+                    </ul>
+                </div>
+            {% endif %}
         </div>
     </div>
 {% endblock %}