SYNOPSIS

      use v5.38;
      use WebService::Akeneo;
      use WebService::Akeneo::Config;
    
      my $cfg = WebService::Akeneo::Config->new(
        base_url      => 'https://my-site.com',
        client_id     => $ENV{AKENEO_CLIENT_ID},
        client_secret => $ENV{AKENEO_CLIENT_SECRET},
        username      => $ENV{AKENEO_USER},
        password      => $ENV{AKENEO_PASS},
      );
    
      my $ak = WebService::Akeneo->new(config => $cfg);
    
      $ak->on_request(sub ($i){ say "--> $i->{method} $i->{url}" });
      $ak->on_response(sub ($i){ say "<-- $i->{code}" });
    
      my $res = $ak->categories->upsert_ndjson([
        { code => 'smagic', parent=>'master', labels=>{ es_ES => 'Espada Magica' } },
        { code => 'mixers', parent=>'master', labels=>{ es_ES => 'Batidora' } },
      ]);