feat: major improvements and fixes

- Fixed Docker permissions issue by running as root user
- Added DEBUG_MODE support with conditional Swagger docs and auto-reload
- Created start.sh script for conditional Uvicorn execution
- Removed verbose debug logs from WebSocket status endpoint
- Added comprehensive screenshots to documentation
- Enhanced help tooltip with full-screen modal design
- Added theme switcher to error page
- Updated documentation with local development and Docker benefits
- Fixed WebSocket status display issues
- Improved hotkey functionality and documentation
- Added detailed project descriptions for local dev and Docker users

Technical improvements:
- Dockerfile: removed appuser switch, simplified permissions
- docker-compose.yml: kept user: 0:0 for Docker socket access
- app.py: removed debug prints, added DEBUG_MODE support
- templates: enhanced UI/UX with better tooltips and themes
- docs: comprehensive updates with new screenshots and descriptions

Dockerfile

@@ -17,7 +17,10 @@ RUN useradd -m appuser && \
 # Создаем директорию для снимков
 RUN mkdir -p /app/snapshots && chown -R appuser:appuser /app
 
-USER appuser
+# Скрипт для запуска с поддержкой DEBUG_MODE
+COPY start.sh /app/start.sh
+RUN chmod 755 /app/start.sh
 
 EXPOSE 9001
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "9001"]
+
+CMD ["/app/start.sh"]