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

css/font-awesome-4.7.0/scss/_core.scss

@@ -0,0 +1,12 @@
+// Base Class Definition
+// -------------------------
+
+.#{$fa-css-prefix} {
+  display: inline-block;
+  font: normal normal normal #{$fa-font-size-base}/#{$fa-line-height-base} FontAwesome; // shortening font declaration
+  font-size: inherit; // can't have font-size inherit on line above, so need to override
+  text-rendering: auto; // optimizelegibility throws things off #1094
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+
+}