feat(ui): show preview image in home page

_javascript/modules/components/img-lazyload.js

@@ -0,0 +1,15 @@
+/**
+ * Set up image lazy-load
+ */
+
+export function imgLazy() {
+  if ($('#core-wrapper img[data-src]') <= 0) {
+    return;
+  }
+
+  /* Stop shimmer when image loaded */
+  document.addEventListener('lazyloaded', function (e) {
+    const $img = $(e.target);
+    $img.parent().removeClass('shimmer');
+  });
+}