Add progress bar

js/index.js

@@ -2,13 +2,16 @@ import GIS from './gis.js';
 import UI from './ui.js';
 
 document.addEventListener('DOMContentLoaded', async () => {
+    let progress = document.querySelector('progress');
     const init = await GIS.initMap('map');
+    progress.classList.add('is-hidden');
     let {map, sites} = init;
 
+    map._container.setAttribute('aria-busy', false);
+
     UI.addCenterMapControl(map, GIS.CENTER_COORDS, GIS.INIT_ZOOM);
     UI.toggleMenu('siti');
     UI.toggleBurger('navbar-burger');
     UI.sitesMenu('.menu-list', map, sites);
     UI.projectInfo('#project-info');
-
 });