Add RSS of Announcements feed to Dashboard page

config/app.php

@@ -78,6 +78,7 @@ return [
         'Auth' => Illuminate\Support\Facades\Auth::class,
         'Blade' => Illuminate\Support\Facades\Blade::class,
         'Cache' => Illuminate\Support\Facades\Cache::class,
+        'Carbon' => \Carbon\Carbon::class,
         'Config' => Illuminate\Support\Facades\Config::class,
         'Cookie' => Illuminate\Support\Facades\Cookie::class,
         'Crypt' => Illuminate\Support\Facades\Crypt::class,