This PR improves the French translations already submitted. - Corrected missing translations. - Ensured the JSON structure matches the English version. - Verified consistency across all keys. The file is very large and it's hard to make sure everything is right. The previous Similar PR is [Add french trad in i18n translations #9885](https://github.com/medusajs/medusa/pull/9885) Let me know if additional changes are needed! Happy to help :) Co-authored-by: Kasper Fabricius Kristensen <45367945+kasperkristensen@users.noreply.github.com>