retriveFile method
Returns information about a specific file.
Implementation
Future<FileData> retriveFile(
{required String fileId, required String apiKey}) async {
final response = await dio.get(UrlBuilder.filePathWithId(fileId),
options: Options(headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer $apiKey'
}));
return FileData.fromMap(response.data);
}