curl -X POST http://localhost:3000/print \
     -H "Content-Type: application/json" \
     -d '{
           "labelName": "outline"
         }'

curl -X POST http://localhost:3000/print \
     -H "Content-Type: application/json" \
     -d '{
           "labelName": "adres",
           "headers": ["Voornaam", "Achternaam", "Straatnaam", "Huisnr", "Toev", "Postcode", "Woonplaats", "Land"],
           "data": [
             ["Marieke", "de Vries", "Kerkweg", "5", "", "5678 CD", "Utrecht", "Nederland"],
             ["Piet", "Pietersen", "Stationsplein", "101", "b", "9012 EF", "Rotterdam"],
             ["Jan", "Jansen", "Dorpsstraat", "12", "a", "1234 AB", "Den Haag", "Nederland"]
           ]
         }'