**Motivations:**
- Translate settings page and all its components to French and English
- Provide consistent multilingual experience
**Root causes:**
- Settings page and components were hardcoded in English
- No translation support for key management and NIP-95 configuration
**Correctifs:**
- None (new feature)
**Evolutions:**
- Added translations for settings page title
- Added translations for KeyManagementManager component:
- Public keys display (npub and hex)
- Import form and validation messages
- Recovery phrase display
- All buttons and warnings
- Added translations for Nip95ConfigManager component:
- Endpoint list and management
- Add/edit/remove actions
- Error messages
- Updated both fr.txt and en.txt translation files
- All text now uses t() function for i18n support
**Pages affectées:**
- pages/settings.tsx
- components/KeyManagementManager.tsx
- components/Nip95ConfigManager.tsx
- public/locales/fr.txt
- public/locales/en.txt
- locales/fr.txt
- locales/en.txt
