improve admin ux

src/admin.js

@@ -90,4 +90,12 @@ $(document).ready(() => {
 
         saveSettings(0)
     });
+
+    $('.side-menu-display').on('click', (event) => {
+        $('.side-menu-display').removeClass('is-active')
+        $(event.target).addClass('is-active')
+
+        $('#side-menu-always-displayed').val($(event.target).attr('data-alwaysdiplayed'))
+        $('#side-menu-big-menu').val($(event.target).attr('data-bigmenu'))
+    })
 });