feat: Add multilingual support and privacy policy pages

- Add Turkish and English language support
- Create privacy policy pages (privacy.html, privacy-en.html)
- Implement language detection and switching functionality
- Restructure screenshots by language (tr/en folders)
- Add navigation links for privacy pages
- Fix language switching errors on privacy pages
- Update README with multilingual features
- Remove footer section as requested

Author: Hakan Çelik

README.md

@@ -22,8 +22,8 @@ Bu proje MIT lisansı altında lisanslanmıştır. Detaylar için [LICENSE](LICE
 
 **Hakan Çelik**
 - [X](https://x.com/hakancelikdev)
-- [LinkedIn](https://linkedin.com/in/hakancelik)
-- [GitHub](https://github.com/hakancelik)
+- [LinkedIn](https://linkedin.com/in/hakancelikdev)
+- [GitHub](https://github.com/hakancelikdev)
 
 ---