relations method
Implementation
Future<List<Map>> relations() async {
// https://api.jikan.moe/v4/manga/32/relations
try {
final res = await _dio.get("$mangaId/relations");
return res.data["data"];
} on DioException catch (e) {
if (e.response!.statusCode == 404) {
throw NotFoundException();
} else {
throw BadResponseException();
}
}
}