Add button to save passwords

src/KeyKeeper/ViewModels/UnlockedRepositoryViewModel.cs

@@ -10,4 +10,9 @@ public class UnlockedRepositoryViewModel : ViewModelBase
     {
         passStore = store;
     }
+
+    public void Save()
+    {
+        passStore.Save();
+    }
 }

src/KeyKeeper/Views/RepositoryWindow.axaml

@@ -44,6 +44,7 @@
                         </Border>
                         <!-- Save Passwords -->
                         <Button Content="Save Passwords"
+                                Click="SaveButton_Click"
                                 Height="30"
                                 Foreground="White"
                                 HorizontalAlignment="Left"

src/KeyKeeper/Views/RepositoryWindow.axaml.cs

@@ -1,5 +1,6 @@
 using System;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
 using KeyKeeper.ViewModels;
 
 namespace KeyKeeper.Views;
@@ -20,4 +21,12 @@ public partial class RepositoryWindow: Window
     {
         base.OnOpened(e);
     }
+
+    private void SaveButton_Click(object sender, RoutedEventArgs args)
+    {
+        if (DataContext is RepositoryWindowViewModel vm && vm.CurrentPage is UnlockedRepositoryViewModel pageVm)
+        {
+            pageVm.Save();
+        }
+    }
 }