feat: event management and websocket for updates

sparse-server/style/_beacons.scss

@@ -4,6 +4,7 @@
 @use 'beacons/templates';
 @use 'beacons/instances';
 @use 'beacons/commands';
+@use 'beacons/sidebar';
 
 main.beacons {
     display: grid;

sparse-server/style/beacons/_sidebar.scss

@@ -0,0 +1,6 @@
+aside.beacons {
+	grid-area: beacons;
+	background-color: #11111c;
+	overflow-y: auto;
+	overflow-x: hidden;
+}