feat(blog): implement blog structure with post listing, tagging, and layout enhancements (#1962)

* feat(blog): implement blog structure with post listing and tagging functionality

* feat(blog): enhance blog layout and post metadata display with new components

* fix(blog): address PR #1962 review feedback and fix lint issues (#14)

* fix: format

---------

Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

frontend/src/components/landing/header.tsx

@@ -41,13 +41,12 @@ export async function Header({ className, homeURL, locale }: HeaderProps) {
         >
           {t.home.docs}
         </Link>
-        <a
-          href={`/${lang}/blog`}
-          target="_self"
+        <Link
+          href="/blog/posts"
           className="text-secondary-foreground hover:text-foreground transition-colors"
         >
           {t.home.blog}
-        </a>
+        </Link>
       </nav>
       <div className="relative">
         <div