Create block "extra_body" to load extra scripts

aleksis/core/templates/core/vue_base.html

@@ -220,5 +220,6 @@
 <script type="text/javascript" src="{% static 'js/search.js' %}"></script>
 <script type="text/javascript" src="{% static 'js/vue/main_vue.js' %}"></script>
 <script type="module" src="{% static 'js/vue/app.js' %}"></script>
+{% block extra_body %}{% endblock %}
 </body>
 </html>