Insert scheduled downtime infos from cloud calendar

Change-Id: I8e4524126c08c4b89298e29b4c17588ef3997b71
diff --git a/templates/index.html.ep b/templates/index.html.ep
index d6c9ff2..4597a19 100644
--- a/templates/index.html.ep
+++ b/templates/index.html.ep
@@ -10,6 +10,14 @@
     <script src = "https://cdn.datatables.net/fixedcolumns/3.2.5/js/dataTables.fixedColumns.min.js"></script>
     <script src = "https://cdn.datatables.net/plug-ins/1.10.18/sorting/scientific.js"></script>
     <script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML'></script>
+     <script src="https://cdnjs.cloudflare.com/ajax/libs/ical.js/1.5.0/ical.js"
+      integrity="sha512-UxWd2RMDGpYwYuDeU2Fs+nd51gw4ZLQY0D9wWZ3NuanNSk6QQmWCZ6C+rvI0lJ/b/nZtBQ8RVESA9DN9r65dUg=="
+      crossorigin="anonymous" referrerpolicy="no-referrer"></script>
+    <script
+      src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.4/moment-with-locales.min.js"
+      integrity="sha512-42PE0rd+wZ2hNXftlM78BSehIGzezNeQuzihiBCvUEB3CVxHvsShF86wBWwQORNxNINlBPuq7rG4WWhNiTVHFg=="
+      crossorigin="anonymous" referrerpolicy="no-referrer"></script>
+    <script src="js/calendar-events.js"></script>
     <link rel="stylesheet" href="https://cdn.datatables.net/1.10.18/css/jquery.dataTables.min.css">
     <link rel="stylesheet" href="/derekovecs/css/derekovecs.css">
     <script
@@ -41,6 +49,7 @@
      }
      
      $(document).ready(function() {
+       insertCalendarEvents(document.getElementById('downtimes'), "<%= $downtime_calendar_url %>");
 
        $('#firstable').hide();
        //Set up a callback to hear back when MathJax is done rendering the equations