add return on save function in class AmazonS3ResourceManager

public function save($file, $name, $options = [])
	{
		$options = ArrayHelper::merge([
			'Bucket' => $this->bucket,
			'Key' => $name,
			'SourceFile' => $file->tempName,
			'ACL' => CannedAcl::PUBLIC_READ // default to ACL public read
		], $options);

		return $this->getClient()->putObject($options);
	}