getCategories method

Implementation

Future<ResponseListDTO<TicketCategoryDTO>> getCategories() async {
  final response = await _http!.request(
    requestType: RequestType.get,
    path: '/dashboard/tickets/categories',
  );

  return ResponseListDTO<TicketCategoryDTO>(
    response: response,
    fromJson: TicketCategoryDTO.fromJson,
  );
}