[增添]添加了Prometheus服务、对应的widget展示（待美化）

management-panel/resources/views/filament/widgets/prometheus-metrics.blade.php

@@ -0,0 +1,34 @@
+<x-filament-widgets::widget>
+    <x-filament::section>
+        <!-- resources/views/filament/widgets/memory-metrics-widget.blade.php -->
+
+        <div>
+            <h2>当前内存使用率</h2>
+            @if (isset($currentMemoryUsage['data']['result'][0]['value'][1]))
+                <pre>{{ number_format($currentMemoryUsage['data']['result'][0]['value'][1], 2) }}%</pre>
+            @else
+                <p>无法获取内存使用率数据</p>
+            @endif
+
+            <h2>过去一小时内存使用情况</h2>
+            @if (isset($memoryUsageRange['data']['result']) && count($memoryUsageRange['data']['result']) > 0)
+                <ul>
+                    @foreach ($memoryUsageRange['data']['result'] as $result)
+                        <li>
+                            <strong>{{ $result['metric']['instance'] }}:</strong>
+                            <ul>
+                                @foreach ($result['values'] as $value)
+                                    <li>{{ number_format($value[1], 2) }}%</li>
+                                @endforeach
+                            </ul>
+                        </li>
+                    @endforeach
+                </ul>
+            @else
+                <p>无法获取内存使用情况数据</p>
+            @endif
+        </div>
+
+
+    </x-filament::section>
+</x-filament-widgets::widget>