Amélioration boutons ical

See #342

src/agenda_culturel/templates/agenda_culturel/page-week.html

@@ -205,6 +205,8 @@
                                 </p>
                                 <footer class="infos-and-buttons">
                                   <div class="buttons">
+                                    <a href="{% url 'export_event_ical' event.start_day.year event.start_day.month event.start_day.day event.id %}"
+                                       role="button">ajouter à mon agenda {% picto_from_name "calendar" %}</a>
                                     <a href="{{ event.get_absolute_url }}" role="button">Voir l'événement
                                       <svg width="1em"
                                            height="1em"

src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html

@@ -213,7 +213,7 @@
           {% endif %}
         {% else %}
           <a href="{% url 'export_event_ical' event.start_day.year event.start_day.month event.start_day.day event.id %}"
-             role="button">exporter ical {% picto_from_name "calendar" %}</a>
+             role="button">ajouter à mon agenda {% picto_from_name "calendar" %}</a>
           {% if perms.agenda_culturel.change_event and not noedit %}
             {% include "agenda_culturel/edit-buttons-inc.html" with event=event details=1 %}
           {% endif %}