Update documentation content and wording to match zapwall.fr
- Update user-guide.md: Use 'publication' instead of 'article', add page auteur, series, reviews
- Update faq.md: Align with current platform terminology and features
- Update publishing-guide.md: Add page auteur requirement, series, correct commissions
- Update payment-guide.md: Update wording and add commission information
- All documentation now uses consistent terminology: publication, page auteur, série, avis
- Commissions clearly explained: 800 sats (700+100), 0.046 BTC (0.042+0.004), 70 sats (49+21)
Nicolas Cantu
449b2f4711