Add project files.

QuickMVVMSetup/AddCommand.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace QuickMVVMSetup
+{
+    public class AddCommand : ICommand
+    {
+        public event EventHandler? CanExecuteChanged;
+        public MainVM assosiatedVM;
+
+        public bool CanExecute(object parameter)
+        {
+            return true;
+        }
+
+        public void Execute(object parameter)
+        {
+            assosiatedVM.AddPerson();
+        }
+
+        public AddCommand(MainVM vm)
+        {
+            assosiatedVM = vm;
+        }
+    }
+}