feat(frontend): replace lazy loading with zibll lazysizes

assets/js/aksrt-runtime.js

@@ -734,27 +734,6 @@
       });
     });
 
-    // Lazy images
-    root.querySelectorAll('img.aksrt-lazy[data-src]').forEach(function (img) {
-      if (img.classList.contains('aksrt-loaded')) return;
-      if ('IntersectionObserver' in window) {
-        var obs = new IntersectionObserver(function (entries) {
-          entries.forEach(function (entry) {
-            if (!entry.isIntersecting) return;
-            img.src = img.dataset.src;
-            img.classList.remove('aksrt-lazy');
-            img.classList.add('aksrt-loaded');
-            obs.unobserve(img);
-          });
-        }, { rootMargin: '200px' });
-        obs.observe(img);
-      } else {
-        img.src = img.dataset.src;
-        img.classList.remove('aksrt-lazy');
-        img.classList.add('aksrt-loaded');
-      }
-    });
-
     // Swiper re-init
     if (typeof Swiper !== 'undefined') {
       root.querySelectorAll('[data-swiper-config]:not(.swiper-initialized)').forEach(function (el) {