refactor: code refactor

app/routes/blog._index/Post.tsx

@@ -3,11 +3,11 @@ import { Link } from "@remix-run/react";
 type PostProps = {
   filename: string;
   title: string;
-  publishedAt: string;
+  published: string;
   description: string | null;
 };
 
-export function Post({ title, description, filename, publishedAt }: PostProps) {
+export function Post({ title, description, filename, published }: PostProps) {
   return (
     <div className="mx-5 md:mx-0 md:w-1/2 lg:w-1/3">
       <div className="p-5 border-gray-600 border-2 rounded-lg">
@@ -17,7 +17,7 @@ export function Post({ title, description, filename, publishedAt }: PostProps) {
               {title}
             </span>
             <span className="ml-2">{`(${new Date(
-              publishedAt
+              published
             ).toLocaleDateString()})`}</span>
           </div>
           {description && (