Post base app import code

curl --request POST \
  --url https://app.teable.ai/api/base/%7BbaseId%7D/app/%7BappId%7D/import-code \
  --header 'Authorization: Bearer REPLACE_BEARER_TOKEN' \
  --header 'content-type: multipart/form-data' \
  --form file=null

{
  "version": 123,
  "filesCount": 123
}