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

app/templates/partials/favorites.html

@@ -0,0 +1,13 @@
+<div class="flex flex-wrap gap-2">
+    {% for service in favorites %}
+    {% set status = services_status.get(service.name) %}
+    <a href="{{ service.url }}" target="_blank"
+       class="favorite-card card flex items-center gap-2 px-3 py-2 rounded-lg hover:scale-105 transition-transform">
+        <span class="w-2 h-2 rounded-full {% if status and status.status == 'online' %}bg-emerald-500{% elif status and status.status == 'degraded' %}bg-amber-500{% else %}bg-red-500{% endif %}"></span>
+        <span class="text-sm font-medium">{{ service.name }}</span>
+        {% if status and status.response_time_ms %}
+        <span class="text-xs text-gray-500">{{ status.response_time_ms }}ms</span>
+        {% endif %}
+    </a>
+    {% endfor %}
+</div>