[FEATURE] add all item fields to api endpoint (redeem code at least)

[eladnahum5]

Is your feature request related to a problem? Please describe.
Yes, I want to integrate the vault into Home Assistant, but have no way to read the barcode values (redeem code)

Describe the solution you'd like
Add field to
"curl -H "Authorization: Bearer " http://127.0.0.1:8000/en/api/get/stats"
Perhaps all fields if possible?

Describe alternatives you've considered
None

Additional context
.