feat: add 'View All Articles' button to homepage

Included a new button beneath the article previews on the homepage, allowing users to easily access the full archive of articles. This enhances navigation and improves user experience by providing a clear call-to-action for discovering more content.

index.php

@@ -63,6 +63,9 @@
         <?php endwhile;
         wp_reset_query(); ?>
     </div>
+    <div class="text-center mt-4">
+        <a href="<?php echo get_post_type_archive_link('article'); ?>" class="btn btn-lg btn-primary">View All Articles</a>
+    </div>
 </section>
 
 <?php get_footer(); ?>