feat: 2,3,7,8,9 - search/sort, Docker, log viewer, .tsb backup

- Dashboard browser: search box + sort dropdown (name/category/author)
- Dockerfile + docker-compose.yml
- Debug page: log viewer button (/api/logs)
- Settings: .tsb full backup export (dashboards+scenes+config)
- F1 composite dashboard previously included

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.12-slim
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
+EXPOSE 9527 20777/udp
+CMD ["python", "app.py"]