added dateUpdated to blog gallery entries

src/lib/lists/blog-gallery.svelte

@@ -16,7 +16,12 @@
             </div>
             <div class="entry-text-container">
                 <p class="entry-title">{post.post.title}</p>
-                <p class="entry-date">::&nbsp;{post.post.date}</p>
+                <p class="entry-date">
+                    ::&nbsp;{post.post.date}
+                    {#if post.post.dateUpdated}
+                        // {post.post.dateUpdated}
+                    {/if}
+                </p>
                 <p class="entry-description">{post.post.description}</p>
                 <div class="entry-tag-container">
                     {#each post.post.tags as tag}