Organize public directory contents into assets folders

src/index.js

@@ -10,7 +10,7 @@ const mapPlaceholder = document.querySelector('.map-placeholder'),
   proneToggle = document.getElementById('toggle-prone-counter'),
   contentVisToggleEl = document.querySelector('#content input[type="checkbox"].visible'),
   object = document.querySelector('object'),
-  fileName = `${localStorage.getItem('map') || 'map1'}.svg`,
+  fileName = `assets/images/${localStorage.getItem('map') || 'map1'}.svg`,
 
   toggleContentVis = (function () {
     document.querySelectorAll('#content div').forEach(div => {
@@ -132,5 +132,5 @@ object.addEventListener('load', load);
 objectDataObserver.observe(object, { attributeFilter: ['data'] });
 
 if (object.getAttribute('data') !== fileName) {
-  object.data = fileName;
+  object.data = `assets/images/${fileName}`;
 }