app: ajout version anglaise section a propos

app: section a propos corrigee v1 + mention v2

app: amelioration branding + 8 exemples + stats v2

fix: gradio 6.x compat + slim requirements for Space

app: refonte UI complète - markdown, chat historique, exemples, badge domaine

Upload requirements.txt with huggingface_hub

Upload app.py with huggingface_hub

Upload requirements.txt with huggingface_hub

Upload app.py with huggingface_hub

initial commit