Create referral code

curl --request POST \
  --url https://admin.snagsolutions.io/api/referral/codes \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "loyaltyRuleId": "558bcf56-24f1-4ef4-9787-043086295780"
}'

{
  "id": "<string>",
  "websiteId": "<string>",
  "organizationId": "<string>",
  "referralCode": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "deletedAt": "2023-11-07T05:31:56Z",
  "userId": "<string>"
}