set credentials from core builder

fix example

Author: MrDeff

examples/core/oauth-examp.php

@@ -44,7 +44,7 @@ static function (\Bitrix24\SDK\Events\AuthTokenRenewedEvent $event) {
         }
     );
 
-    $app = new \Bitrix24\SDK\Services\Main($apiClient, $ed, $log);
+    $app = (new \Bitrix24\SDK\Core\CoreBuilder())->withCredentials($credentials)->withApiClient($apiClient)->build();
 
     $log->debug('================================');
 

src/Core/CoreBuilder.php

@@ -50,6 +50,17 @@ public function __construct()
         $this->apiLevelErrorHandler = new ApiLevelErrorHandler($this->logger);
     }
 
+    /**
+     * @param Credentials $credentials
+     *
+     * @return $this
+     */
+    public function withCredentials(Credentials $credentials): self
+    {
+        $this->credentials = $credentials;
+        return $this;
+    }
+
     /**
      * @param string $webhookUrl
      *