Update site content and structure, including localization adjustments for addresses, removal of unused files, and enhancements to the layout and styling for better user experience.

src/layouts/BaseLayout.astro

@@ -65,11 +65,11 @@ const structuredData = {
   },
   "address": {
     "@type": "PostalAddress",
-    "addressCountry": "IT"
+    "addressCountry": "NL"
   },
   "serviceArea": {
     "@type": "Country",
-    "name": "Italy"
+    "name": "Netherlands"
   }
 };
 ---
@@ -163,11 +163,13 @@ const structuredData = {
       import { initScrollAnimations } from '../utils/animations';
       import { initTheme } from '../utils/theme';
       import { initPerformanceMonitoring } from '../utils/performance';
+      import { initPreloading } from '../utils/preload';
       
       document.addEventListener('DOMContentLoaded', () => {
         initTheme();
         initScrollAnimations();
         initPerformanceMonitoring();
+        initPreloading();
         
         // Register service worker
         if ('serviceWorker' in navigator) {