Update API to accept list of codes

Description

Update the API to accept a list of codes or a single code when a user is added/updated.

Further details

Accept either list or single value for back-compatibility.

Task list

• Update the API
• Update the account-data-manager to pass these through
• Update the authentication check to check user entered code against list of codes available

Acceptance criteria

• Endpoint to create or update data in database accepts either a single code or a list of codes.
• account-data-manager uses this endpoint correctly

Links/references