Adding Customers now works.

WD7UVN_SzTGUI_2023242.Client.WPF/Windows/NonCRUD/GetColleagues.xaml.cs

@@ -0,0 +1,17 @@
+using System.Windows;
+using WD7UVN_HFT_2023241.Models;
+using WD7UVN_SzTGUI_2023242.Client.WPF.ViewModels;
+
+namespace WD7UVN_SzTGUI_2023242.Client.WPF.Windows
+{
+    public partial class GetColleagues : Window
+    {
+        private readonly GetColleaguesViewModel viewModel;
+        public GetColleagues(MaintainerTeam m)
+        {
+            InitializeComponent();
+            viewModel = new GetColleaguesViewModel(m);
+            this.DataContext = viewModel;
+        }
+    }
+}