Create form response

curl --request POST \
  --url https://api.fluxend.app/forms/{formUUID}/responses \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "projectUUID": "<string>",
  "response": {}
}
'

{
  "content": {
    "formUuid": "<string>",
    "responses": [
      {
        "createdAt": "<string>",
        "formFieldUuid": "<string>",
        "formResponseUuid": "<string>",
        "updatedAt": "<string>",
        "uuid": "<string>",
        "value": "<string>"
      }
    ],
    "uuid": "<string>"
  },
  "errors": [
    "<string>"
  ],
  "metadata": "<unknown>",
  "success": true
}