Adding equipment works

ViewModels/Basic/PropertyViewModel.cs

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+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+using GazpromApp.Models;
+
+namespace GazpromApp.ViewModels;
+
+public partial class PropertyViewModel : ViewModelBase
+{
+    [ObservableProperty]
+    private string _name;
+    
+    [ObservableProperty]
+    private string _value;
+    
+    public ObservableCollection<PropertyViewModel> Properties { get; set; } = [];
+
+    public PropertyViewModel()
+    {
+        Name = string.Empty;
+        Value = string.Empty;
+    }
+    
+    public PropertyViewModel(Property property)
+    {
+        Name = property.Name;
+        Value = property.Value;
+    }
+}