First draft of coursebook.html page

aleksis/apps/alsijil/templates/alsijil/class_register/coursebook.html

+{% extends "core/vue_base.html" %}
+{% load static i18n %}
+
+{% block page_title %}
+  {% trans "Coursebook" %}
+  {{ lesson }}
+{% endblock %}
+{% block browser_title %}{% trans "Coursebook" %}{{ lesson }}{% endblock %}
+{% block content %}
+<course-book></course-book>
+{% endblock %}
+
+{% block extra_body %}
+  <script type="module" src="{% static "js/vue/alsijil/LoadComponents.js" %}"></script>
+{% endblock %}
\ No newline at end of file