curl --request POST \
  --url https://www.chatbase.co/api/v1/upload-chatbot-profile-picture \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form chatbotId=ckl123abc456 \
  --form profilePictureFile='@example-file'

{
  "message": "Chatbot Profile Picture uploaded successfully."
}