improve ux in admin configuration interface

Resources/views/Admin/index.html.twig

@@ -4,7 +4,7 @@
     <h1>{{ 'Administration interface'|trans }}</h1>
     
     {{ 'welcome_message_raw'|trans|raw }}
-    
+
     <div>
         <h2>{{ 'Configuration alerts'|trans }}</h2>
             

Resources/views/Admin/layout.html.twig

@@ -34,7 +34,7 @@
     {% block admin_content %}<!-- block personcontent empty -->
         <div class="container">
             <div class="grid-10 push-1">
-                Welcome to the admin section !
+                <h2>{{ 'Welcome to the admin section !'|trans }}</h2>
             </div>
         </div>
     {% endblock %}

Resources/views/Admin/layoutWithVerticalMenu.html.twig

@@ -32,6 +32,6 @@
 
 {% block layout_wvm_content %}
     {% block admin_content %}<!-- block personcontent empty -->
-        Welcome to the admin section !
+        <h2>{{ 'Welcome to the admin section !'|trans }}</h2>
     {% endblock %}
 {% endblock  %}