init vue app (frontend)

app/templates/vue/index.html.twig

@@ -0,0 +1,13 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}{{'My VueJS template'}}{% endblock %}
+
+{% block body %}
+<div class="container">
+    <h1>{{'My VueJS template'}}</h1>
+
+    <div id="app" data-app="{{ data | json_encode() | escape('html_attr') }}"></div>
+
+
+</div>{{ dump() }}
+{% endblock %}