Update README.md

Author: evil1morty

README.md

@@ -22,6 +22,7 @@ composer require hkulekci/qdrant
 include __DIR__ . "/../vendor/autoload.php";
 include_once 'config.php';
 
+use Qdrant\Qdrant;
 use Qdrant\Config;
 use Qdrant\Http\Builder;
 
@@ -135,4 +136,4 @@ $response = $client->collections('contents')->points()->search($searchRequest);
 foreach ($response['result'] as $item) {
     echo $item['score'] . ';' . $item['payload']['id'] . ';' . $item['payload']['meta_data'] . PHP_EOL;
 }
-```
+```