Create a new price

curl --request POST \
  --url https://api.sulu.sh/v0/prices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "billableMetricId": "<string>",
  "model": "standard",
  "invoiceDisplayName": "<string>",
  "properties": {
    "unitPrice": "<string>"
  }
}'

{
  "id": "<string>",
  "object": "price",
  "billableMetricId": "<string>",
  "model": "standard",
  "invoiceDisplayName": "<string>",
  "properties": {
    "unitPrice": "<string>"
  },
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "deletedAt": "2023-11-07T05:31:56Z"
}