Mock fiat deposit

curl --request POST \
  --url https://staging-api.getpartna.com/v4/mock/fiat-deposit \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-api-user: <api-key>' \
  --data '{
  "accountName": "account1",
  "amount": 123,
  "currency": "NGN"
}'

{
  "message": "mock deposit request successful"
}