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/layout.html.twig

@@ -16,7 +16,13 @@
 {% endblock %}
 
 {% block css %}
+    {{ encore_entry_link_tags('accompanying_course') }}
 {% endblock %}
 
 {% block js %}
+    <script type="text/javascript">
+       window.accompanyingCourseId = {{ accompanyingCourse.id|e('js') }};
+       window.vueRootComponent = 'banner';
+    </script>
+    {{ encore_entry_script_tags('accompanying_course') }}
 {% endblock %}