Add Pagefind search, sort posts by update time, link DigiKedai bot repo

src/components/PostList.astro

@@ -19,6 +19,14 @@ const fmt = (d: Date) =>
       <a href={`/posts/${post.slug}/`}><h2>{post.data.title}</h2></a>
       <div class="meta">
         <time datetime={post.data.pubDate.toISOString()}>{fmt(post.data.pubDate)}</time>
+        {post.data.updatedDate && (
+          <>
+            <span class="sep">·</span>
+            <span class="updated" title={`Updated ${fmt(post.data.updatedDate)}`}>
+              Updated {fmt(post.data.updatedDate)}
+            </span>
+          </>
+        )}
         <span class="sep">·</span>
         <a class="tag" href={`/categories/${post.data.category}/`}>{post.data.category}</a>
         {post.data.tags.map((t) => <span class="tag">{t}</span>)}