Initial commit: Homelab Dashboard with YAML configuration

Features:
- Service health monitoring with response times
- Proxmox cluster integration (nodes, VMs, containers)
- PBS backup server monitoring
- Camera viewer with WebRTC (go2rtc)
- Docker container monitoring
- Uptime Kuma integration
- Mobile-friendly responsive design
- YAML-based configuration for easy setup

app/templates/partials/uptime.html

@@ -0,0 +1,45 @@
+<div class="card rounded-lg p-3">
+    {% if uptime.monitors %}
+    <div class="flex items-center justify-between mb-2">
+        <span class="text-xs text-gray-400">{{ uptime.summary.up }}/{{ uptime.summary.total }} up</span>
+        {% if uptime.summary.down > 0 %}
+        <span class="text-xs text-red-400">{{ uptime.summary.down }} down</span>
+        {% endif %}
+    </div>
+    <div class="space-y-1.5">
+        {% for monitor in uptime.monitors[:8] %}
+        <div class="flex items-center gap-2">
+            <span class="w-1.5 h-1.5 rounded-full flex-shrink-0 {% if monitor.status == 1 %}bg-emerald-500{% else %}bg-red-500{% endif %}"></span>
+            <span class="text-xs text-gray-300 truncate flex-1">{{ monitor.name }}</span>
+            <!-- Sparkline -->
+            {% if monitor.heartbeats %}
+            <div class="flex items-end gap-px h-3">
+                {% for hb in monitor.heartbeats[-12:] %}
+                {% set ping_height = ((hb.ping or 50) / 5) %}
+                {% if ping_height > 100 %}{% set ping_height = 100 %}{% endif %}
+                {% if ping_height < 20 %}{% set ping_height = 20 %}{% endif %}
+                <div class="w-1 {% if hb.status == 1 %}bg-emerald-500/60{% else %}bg-red-500/60{% endif %}"
+                     style="height: {{ ping_height }}%"></div>
+                {% endfor %}
+            </div>
+            {% endif %}
+            {% if monitor.ping %}
+            <span class="text-[10px] text-gray-500 w-8 text-right">{{ monitor.ping }}ms</span>
+            {% endif %}
+        </div>
+        {% endfor %}
+    </div>
+    {% if uptime.monitors | length > 8 %}
+    <div class="text-xs text-gray-500 mt-2">+{{ uptime.monitors | length - 8 }} more</div>
+    {% endif %}
+    {% else %}
+    <div class="flex items-center gap-2 text-gray-500 text-xs">
+        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg>
+        <span>No uptime data</span>
+    </div>
+    {% endif %}
+
+    <a href="{{ uptime_kuma_url }}" target="_blank" class="block text-center text-xs text-gray-500 hover:text-amber-400 mt-2">
+        Open Uptime Kuma
+    </a>
+</div>