Add graph tab

templates/pages/graph.html

@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block title %}graph{% endblock %}
+
+{% block head %}
+<script type="module" src="{{ link_graph_js }}"></script>
+{% endblock %}
+
+{% block body %}
+<h2>Graph</h2>
+{% endblock %}