load vue banner component for each page of AccompanyingCourse context

* vue css and js loaded from layout.html.twig
* rename 'show' template to 'edit' template
* overwrite js block for 'edit' template (load all component, not only banner)

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

@@ -0,0 +1,19 @@
+{% extends 'ChillPersonBundle:AccompanyingCourse:layout.html.twig' %}
+
+{% set title = 'DRAFT' == accompanyingCourse.step ? 'New accompanying course' : 'Edit accompanying course' %}
+
+{% block title %}
+    {{ title|trans }}
+{% endblock %}
+
+{% block content %}
+   <div id="accompanying-course"></div> {#  <== insert accompanyingCourse vue component  #}
+{% endblock %}
+
+{% block js %}
+   <script type="text/javascript">
+      window.accompanyingCourseId = {{ accompanyingCourse.id|e('js') }};
+      window.vueRootComponent = 'app';
+   </script>
+   {{ encore_entry_script_tags('accompanying_course') }}
+{% endblock %}