use Env variables in Mongoer

Classes/Mongoer.php

@@ -6,8 +6,8 @@ class Mongoer
   function __construct(){}
 
   public static function sendRequest($dataType, $action, $data){
-      $mongodburl = $_ENV['FE_DATABASE_DSN'];
-      $mongodbdb = $_ENV['FE_DATABASE'];
+    $mongodburl = $_ENV['FE_DATABASE_DSN'];
+    $mongodbdb = $_ENV['FE_DATABASE'];
     $client = new \MongoDB\Client($mongodburl);
     $collection = null;
     if($dataType == "pages")