fix: add currency code to countries

app/Http/Controllers/HelperController.php

@@ -33,7 +33,7 @@ class HelperController extends Controller
 
     public function countries()
     {
-        $countries = DB::select('SELECT id , name , code_dial , code_country FROM countries_currencies WHERE id IN (
+        $countries = DB::select('SELECT id , name , code_dial , code_country, currency_code FROM countries_currencies WHERE id IN (
 					 SELECT distinct c.id FROM networks n INNER JOIN countries_currencies c ON n.country_id=c.id INNER JOIN configWallet cw ON cw.id_network = n.id WHERE status = 1
 					);');
         return $this->successResponse($countries);