Allow child posts (or sub posts)

src/utils/blog.ts

@@ -56,7 +56,7 @@ const getNormalizedPost = async (post: CollectionEntry<'post'>): Promise<Post> =
     metadata = {},
   } = data;
 
-  const slug = cleanSlug(rawSlug.split('/').pop());
+  const slug = cleanSlug(rawSlug); // cleanSlug(rawSlug.split('/').pop());
   const publishDate = new Date(rawPublishDate);
   const updateDate = rawUpdateDate ? new Date(rawUpdateDate) : undefined;
   const category = rawCategory ? cleanSlug(rawCategory) : undefined;