implement tanstack and fetch all data

src/data/blogData.ts

@@ -540,6 +540,8 @@ LLMs are powerful tools, but they require thoughtful implementation. Start with
   },
 ];
 
+
+
 export const getPostBySlug = (slug: string): BlogPost | undefined => {
   return blogPosts.find(post => post.slug === slug);
 };