Laravel по-русски

Route::get('/sitemap', ['as' => "sitemap.index", 'uses' => 'SitemapController@index']);

namespace App\Http\Controllers;
class SitemapController extends MainController
{    
    public function index() {
        return view('sitemap.index');
    }
}

{{ Request::header('Content-Type : text/xml') }}
<?php echo '<?xml version="1.0" encoding="UTF-8"?>';?>
 
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
    @foreach ($posts as $post)
        <url>
            <loc>{{ url($post->slug) }}</loc>
            <lastmod>{{ $post->updated_at->tz('GMT')->toAtomString() }}</lastmod>
            <changefreq>monthly</changefreq>
            <priority>1</priority>
        </url>
    @endforeach
</urlset>