New supervision

- using fastAPI
- offline/online working
- warning if ZABBIX API is too long
- showing settings
- showing last ack message
- showing procedure
- menu split by SU team

js/super.js

@@ -0,0 +1,38 @@
+const REFRESH_PAGE = 60000
+
+$(document).ready(function() {
+    if (window.tvMode === true) {
+        $('nav').hide();
+        $('form').hide();
+    } else {
+        $('nav').show();
+        $('form').show();
+    }
+    $('#url').val($(location).attr('href'));
+    $('.url_note').val($(location).attr('href'));
+    $(document).on('click', '.del_note', function(e) {
+        if (!confirm("This note will be deleted. Are you sure?")) {
+            e.preventDefault();
+        }
+    });
+
+    $(document).ready(function(){
+        $('[data-toggle="tooltip"]').tooltip();
+    });
+
+    function checkHealth() {
+        fetch('/healthcheck')
+            .then(response => {
+                if (response.ok) {
+                    window.location.reload();
+                } else {
+                    throw new Error('Server responded with an error!');
+                }
+            })
+            .catch(error => {
+                $('#health-status').removeClass('badge-success').addClass('badge-danger').text('Super is DOWN');
+            });
+    }
+
+    setInterval(checkHealth, REFRESH_PAGE);
+});