Allow post permalink pattern configuration

src/components/blog/GridItem.astro

@@ -38,7 +38,7 @@ const image = await findImage(post.image);
         post.title
       ) : (
         <a
-          href={getPermalink(post.slug, 'post')}
+          href={getPermalink(post.permalink, 'post')}
           class="hover:text-primary dark:hover:text-blue-700  transition ease-in duration-200"
         >
           {post.title}