feat: add permalinks

src/App.tsx

@@ -219,6 +219,7 @@ function PostPage({
   const bannerTxId = postFrontmatter.banner || post.frontmatter?.banner || post.bannerTxId;
   const publishedDate = getReadableDate(postFrontmatter.date || post.publishedAt);
   const updatedDate = getReadableDate(postFrontmatter.updated || post.updated || undefined);
+  const permalink = `https://p2gmoq6mwa5dyl25lkkqprhh3rlgpgtpyb6rhcnggwnsfz5xwdfa.arweave.net/${post.slug}`;
 
   return (
     <article className="post">
@@ -230,6 +231,9 @@ function PostPage({
           {updatedDate && <span>Updated {updatedDate}</span>}
           {post.readingTime && <span>{post.readingTime} min read</span>}
           {post.wordCount && <span>{post.wordCount} words</span>}
+          <span>
+            <a href={permalink}>[permalink]</a>
+          </span>
         </div>
       </header>
       {bannerTxId && (