webpack alias + move vues firsts files in better place

src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/show.html.twig

@@ -22,11 +22,10 @@ usagers:
 {% endfor %}
     </pre>
     {{ dump() }}
+    {% verbatim %}{% endverbatim %}
 #}
 
-    {% verbatim %}
-        <div id="app" data-name="{{ app.user.username }}"></div>
-    {% endverbatim %}
+    <div id="app" data-name="{{ accompanyingCourse.id }}"></div>
     {{ encore_entry_script_tags('vuejs') }}
 
 {% endblock %}