支持添加删除服务器信息，以在服务器状态页显示CPU、内存等

lib/data/model/server_status.dart

@@ -0,0 +1,90 @@
+import 'package:toolbox/data/model/disk_info.dart';
+import 'package:toolbox/data/model/tcp_status.dart';
+
+///
+/// Code generated by jsonToDartModel https://ashamp.github.io/jsonToDartModel/
+///
+
+class ServerStatus {
+/*
+{
+  "cpuPercent": 0,
+  "memList": [
+    1
+  ],
+  "sysVer": "",
+  "uptime": "",
+  "disk": [
+    {
+      "mountPath": "",
+      "mountLocation": "",
+      "usedPercent": 0,
+      "used": "",
+      "size": "",
+      "avail": ""
+    }
+  ]
+} 
+*/
+
+  double? cpuPercent;
+  List<int?>? memList;
+  String? sysVer;
+  String? uptime;
+  List<DiskInfo?>? disk;
+  TcpStatus? tcp;
+
+  ServerStatus(
+      {this.cpuPercent,
+      this.memList,
+      this.sysVer,
+      this.uptime,
+      this.disk,
+      this.tcp});
+  ServerStatus.fromJson(Map<String, dynamic> json) {
+    cpuPercent = double.parse(json["cpuPercent"]);
+    if (json["memList"] != null) {
+      final v = json["memList"];
+      final arr0 = <int>[];
+      v.forEach((v) {
+        arr0.add(v.toInt());
+      });
+      memList = arr0;
+    }
+    sysVer = json["sysVer"]?.toString();
+    uptime = json["uptime"]?.toString();
+    if (json["disk"] != null) {
+      final v = json["disk"];
+      final arr0 = <DiskInfo>[];
+      v.forEach((v) {
+        arr0.add(DiskInfo.fromJson(v));
+      });
+      disk = arr0;
+    }
+    tcp = TcpStatus.fromJson(json['tcp']);
+  }
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data["cpuPercent"] = cpuPercent;
+    if (memList != null) {
+      final v = memList;
+      final arr0 = [];
+      for (var v in v!) {
+        arr0.add(v);
+      }
+      data["memList"] = arr0;
+    }
+    data["sysVer"] = sysVer;
+    data["uptime"] = uptime;
+    if (disk != null) {
+      final v = disk;
+      final arr0 = [];
+      for (var v in v!) {
+        arr0.add(v!.toJson());
+      }
+      data["disk"] = arr0;
+    }
+    data['tcp'] = tcp;
+    return data;
+  }
+}