hello world with viewJS

app/templates/default/app.html.twig

@@ -0,0 +1,18 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}{{'My VueJS template'}}{% endblock %}
+
+{% block body %}
+<div class="container">
+    <h1>{{'My VueJS template'}}</h1>
+
+    block vue
+    {% verbatim %}
+        <div id="app" data-name="{{ app.user.username }}"></div>
+    {% endverbatim %}
+    end
+
+    {{ encore_entry_script_tags('app') }}
+
+</div>
+{% endblock %}