refactor: enhance layout and styling for TagArticleFeed component

- Wrapped TagArticleFeed in a flex container for improved spacing and layout.
- Adjusted error state styling for better visual consistency.
- Simplified the outer div structure in TagArticleFeed for cleaner markup.
- Removed unused test page file.

Author: kingRayhan

src/app/tags/[tag_name]/_components/TagArticleFeed.tsx

@@ -68,7 +68,7 @@ const TagArticleFeed: React.FC<TagArticleFeedProps> = ({ tag }) => {
   if (tagFeedQuery.isError) {
     // Show error state
     return (
-      <div className="flex flex-col items-center justify-center py-12">
+      <div className="flex flex-col items-center justify-center">
         <h2 className="text-xl font-semibold text-gray-900 dark:text-white mb-2">
           Error loading articles
         </h2>
@@ -101,7 +101,7 @@ const TagArticleFeed: React.FC<TagArticleFeedProps> = ({ tag }) => {
 
   return (
     <>
-      <div className="mb-8 p-4">
+      <div>
         <h1 className="text-3xl font-bold text-gray-900 dark:text-white">
           {_t(`Articles tagged with "$"`, [tag?.name])}
         </h1>

src/app/tags/[tag_name]/page.tsx

@@ -26,7 +26,9 @@ export default async function TagPage({ params }: TagPageProps) {
       RightSidebar={<HomeRightSidebar />}
       NavbarTrailing={<SidebarToggleButton />}
     >
-      <TagArticleFeed tag={tag?.data} />
+      <div className="flex flex-col gap-3 p-2">
+        <TagArticleFeed tag={tag?.data} />
+      </div>
     </HomepageLayout>
   );
 }