added blog post page, reverted back to flex blog landing, added types

frontend/components/AuthorCard.tsx

@@ -34,11 +34,3 @@ export default function AuthorCard({
     </div>
   );
 }
-
-export type Author = {
-  author_id: number;
-  first_name: string;
-  last_name: string;
-  bio: string;
-  image?: string;
-};