added uptime monitoring

lib/models/uptime_item_model.dart

@@ -0,0 +1,35 @@
+class UptimeItemModel {
+  final String id;
+  final String createdAt;
+  final bool deleted;
+  final String name;
+  final bool status;
+
+  const UptimeItemModel({
+    required this.id,
+    required this.createdAt,
+    required this.deleted,
+    required this.name,
+    required this.status,
+  });
+
+  factory UptimeItemModel.fromJson(Map<String, dynamic> json) {
+    return UptimeItemModel(
+      id: json['id'] as String,
+      createdAt: json['createdAt'] as String,
+      deleted: json['deleted'] as bool,
+      name: json['name'] as String,
+      status: json['status'] as bool,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'createdAt': createdAt,
+      'deleted': deleted,
+      'name': name,
+      'status': status,
+    };
+  }
+}