ajout des traductions en et fr

templates/post/edit.html.twig

@@ -3,11 +3,11 @@
 {% block title %}Edit Post{% endblock %}
 
 {% block body %}
-    <h1>Edit Post</h1>
+    <h1>{{ 'edit_post'|trans }}</h1>
 
-    {{ include('post/_form.html.twig', {'button_label': 'Update'}) }}
+    {{ include('post/_form.html.twig', {'button_label': 'update'|trans}) }}
 
-    <a href="{{ path('app_post_index') }}">Back to list</a>
+    <a href="{{ path('app_post_index') }}">{{ 'back_to_list'|trans }}</a>
 
     {{ include('post/_delete_form.html.twig') }}
 {% endblock %}