Add deployment script and documentation for Ubuntu setup

- Introduced `deploy-ubuntu.sh` for automated deployment of the AI Code Review Platform on Ubuntu with systemd.
- Added `UBUNTU_DEPLOYMENT.md` for detailed deployment instructions and requirements.
- Updated `README.md` to include quick deployment instructions and features of the new script.
- Created `uninstall-ubuntu.sh` for easy removal of the platform and its components.
- Enhanced logging and configuration setup within the deployment script.

README.md

@@ -189,6 +189,24 @@ ERROR: Опечатка в строке:
 
 ---
 
+## 🐧 Production (Ubuntu/Debian)
+
+### Автоматическое развертывание с systemd:
+
+```bash
+sudo ./deploy-ubuntu.sh
+```
+
+Это настроит:
+- ✅ Systemd service (автозапуск)
+- ✅ Логирование в `/var/log/ai-review/`
+- ✅ Nginx reverse proxy (опционально)
+- ✅ SSL с Let's Encrypt (опционально)
+
+**Подробнее:** [UBUNTU_DEPLOYMENT.md](UBUNTU_DEPLOYMENT.md)
+
+---
+
 ## 🔧 Разработка
 
 ### Backend: