Initial commit: Homelab Infrastructure Dashboard

Features:
- Real-time Proxmox cluster monitoring (nodes, LXC containers)
- Camera integration with go2rtc streams
- Arr stack download progress monitoring
- PBS backup status
- Docker container status
- Uptime Kuma service health
- FastAPI backend with HTMX frontend

requirements.txt

@@ -0,0 +1,5 @@
+fastapi==0.115.0
+uvicorn[standard]==0.32.0
+jinja2==3.1.4
+httpx==0.27.2
+python-dotenv==1.0.1