Adds README_fr.md, translated from the current English README with the
same commands, links, heading structure and FAQ entries. Links Français
from every README language selector and registers it in the README
consistency matrix.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Adds README_fa.md (Persian/Farsi) contributed via PR #1140, keeps onboarding commands, links, and structure aligned with English, links فارسی from every translated selector, and registers fa in the readme consistency matrix.
Co-authored-by: Arad Ashkan <65897590+AradAshkan@users.noreply.github.com>