Provide MRZ-specific trial licensing guidance #70

Copilot review finding on PR #69: #69 (comment)

The MRZ trial FAQ at mrz-scanner/license/dbr-free-trial.md includes an answer that links to /barcode-reader/downloads/ and requests a trial with product=dbr. Readers looking for an MRZ Scanner trial may receive Barcode Reader instructions instead.

Update this MRZ page with verified MRZ-specific SDK and trial-license steps, or remove the article and its MRZ index entry if the answer does not apply. Keep the Barcode Reader answer intact. This is a FAQ-content follow-up, not part of the shared-FAQ refactor in PR #69.