feat(frontend): replace lazy loading with zibll lazysizes

assets/css/frontend/homepage-fixed/base-1.css

@@ -15,21 +15,6 @@
    0. ANIMATIONS
    ================================================================ */
 
-@keyframes aksrt-lazy-blur {
-  from { filter: blur(5px); opacity: 0.6; }
-  to   { filter: blur(0);   opacity: 1; }
-}
-
-@keyframes aksrt-lazy-fade {
-  from { opacity: 0; }
-  to   { opacity: 1; }
-}
-
-@keyframes aksrt-lazy-scale {
-  from { transform: scale(1.1); opacity: 0.8; }
-  to   { transform: scale(1);   opacity: 1; }
-}
-
 @keyframes aksrt-skeleton-pulse {
   0%, 100% { opacity: 1; }
   50%      { opacity: 0.4; }
@@ -55,14 +40,6 @@
   transition: color 0.2s, background 0.3s, opacity 0.3s, box-shadow 0.3s, transform 0.3s;
 }
 
-.aksrt-homepage img.aksrt-loaded {
-  animation: aksrt-lazy-blur 0.6s ease;
-}
-
-.aksrt-homepage img.aksrt-loaded.img-icon {
-  animation: aksrt-lazy-fade 0.6s ease;
-}
-
 .aksrt-homepage .aksrt-skeleton {
   animation: aksrt-skeleton-pulse 1.5s ease-in-out infinite;
 }