refactor(ts/color): improve code style and change name of some variables for more clarity

layouts/partials/article-list/tile.html

@@ -5,7 +5,7 @@
         {{- $thumbnail :=  $image.Fill .size -}}
         <div class="article-image">
             <img src="{{ $thumbnail.RelPermalink }}" width="{{ $thumbnail.Width }}" height="{{ $thumbnail.Height }}"
-                loading="lazy" data-id="{{ .context.Slug }}" data-key="{{ $image.Data.Integrity }}">
+                loading="lazy" data-key="{{ .context.Slug }}" data-hash="{{ $image.Data.Integrity }}">
         </div>
         {{ end }}