curl --request POST \
  --url https://api.spirii.com/reimbursement/rates/v1 \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form locationId=123 \
  --form pricePerKwh=1.0001 \
  --form currency=EUR \
  --form validFrom=2023-11-07T05:31:56Z \
  --form validUntil=2023-11-07T05:31:56Z \
  --form 'files=<string>' \
  --form files.0.items='@example-file' \
  --form files.1.items='@example-file'

{
  "id": 123,
  "locationId": 123,
  "pricePerKwh": 123,
  "currency": "EUR",
  "validFrom": "2023-11-07T05:31:56Z",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "validUntil": "2023-11-07T05:31:56Z",
  "lockedBy": "<string>"
}