Homepage: tab layout, RSS proxy, and deploy docs

- Reorganize services into OPS/DATA/FEEDS/LINKS tabs with compact DB grid
- Add rss-proxy service (29 FDE feeds) and Intel feed groups
- Update Palantir theme CSS/JS; Dell wordmark SVG; Proxmox API token auth
- Add deploy/docker-compose.homepage.yml and config/homepage/README.md
- Stop tracking runtime logs; add .gitignore

rss-proxy/Dockerfile

@@ -0,0 +1,6 @@
+FROM python:3.12-slim
+WORKDIR /app
+RUN pip install --no-cache-dir flask gunicorn feedparser
+COPY server.py .
+EXPOSE 8090
+CMD ["gunicorn", "-b", "0.0.0.0:8090", "-w", "1", "server:app"]