Rewrite the wiki for v1.3.0, in French and English - French pages updated or added: Accueil, Prérequis, Installation, Utilisation, Le rebase, Architectures cibles, Outils externes, Présélections, Journal du rebase, Limites, Dépannage, Codes d'erreur - English pages added: Home, Requirements, Installing, Usage, The rebase, Target architectures, External tools, Presets, Rebase log, Limitations, Troubleshooting, Error codes - Language switch at the top of every page, bilingual sidebar - Screenshots of version 1.3.0 in both languages - The page on editing architecture JSON files by hand is removed: the architecture editor replaces it Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>