curl --request POST \
  --url http://dolphinflashcards.com/api/import-flashcards \
  --header 'Content-Type: multipart/form-data' \
  --form jwtToken=eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiIsImtpZCI6ImEzMmZkZDRiMTQ2Njc3NzE5YWIyMzcyODYxYmRlZDg5In0.eyJpc3MiOiJodHRwOi8vZG9scGhpbmZsYXNoY2FyZHMuY29tIiwiYXVkIjoiYXBpIiwic3ViIjoidU5RR2lIencxdk9EaExybTVDRWtaQ1ZoTU93MSIsImFjY2Vzc190b2tlbiI6IjRiZTA2NDNmLTFkOTgtNTczYi05N2NkLWNhOThhNjUzNDdkZCIsImFjY2Vzc190b2tlbl9yYXciOiJ0ZXN0IiwiaWF0IjoxNzI2Nzc0MTYzfQ.F-fxFitPQF-gGHyhGPGxE_zj_b8XJybqe4J_iYG66BC4Dqm4LTb8RpcDLyYUhRCcpphihpWGbdp \
  --form flashcardName=firstCard \
  --form 'flashcardDescription=my first flashcard' \
  --form folder=top-level-parent-name/parent-name-2/parent-name-3 \
  --form 'delimiter=,' \
  --form firstRowOfData=2 \
  --form file=@example-file

[
  {
    "200": 123,
    "success": true
  }
]