add SSE for receiving failsafe status

api/views/index.ejs

@@ -60,6 +60,12 @@
 <script>
     var update_status = setInterval(update_status, 1000);
     assign_button_callbacks();
+    const events = new EventSource("/events");
+    events.onmessage = (event) => {
+        const parsedData = JSON.parse(event.data);
+        console.log("RECEIVED EVENT");
+        console.log(parsedData);
+    }
 
     function assign_button_callbacks() {
         var buttons = document.getElementsByClassName("movebutton");