Replace language redirect with static redirect

Removed the LanguageRedirect component and updated HomePage to use a static redirect to /en/docs. This simplifies the language selection logic by always redirecting to English documentation.

Author: hotlong

packages/site/app/page.tsx

@@ -1,11 +1,6 @@
-import { i18n } from '@/lib/i18n';
-import { LanguageRedirect } from '@/components/language-redirect';
+import { redirect, notFound } from 'next/navigation';
 
 export default function HomePage() {
-  return (
-    <LanguageRedirect 
-      availableLanguages={i18n.languages as string[]}
-      defaultLanguage={i18n.defaultLanguage}
-    />
-  );
+  
+    redirect(`/en/docs`);
 }