feat(ui): persist deleted entry visibility across accounts

src/Duempelkas.Infrastructure/Services/SettingsService.cs

@@ -12,6 +12,15 @@ public class SettingsService : ISettingsService
 
     private static readonly JsonSerializerOptions JsonOptions = new() { WriteIndented = true };
 
+    public async Task<bool> GetShowDeletedEntriesAsync() => (await LoadAsync()).ShowDeletedEntries;
+
+    public async Task SetShowDeletedEntriesAsync(bool show)
+    {
+        var settings = await LoadAsync();
+        settings.ShowDeletedEntries = show;
+        await SaveAsync(settings);
+    }
+
     public async Task<string?> GetClubNameAsync()
     {
         var settings = await LoadAsync();
@@ -59,6 +68,7 @@ public class SettingsService : ISettingsService
 
     private class AppSettings
     {
+        public bool ShowDeletedEntries { get; set; }
         public string? ClubName { get; set; }
         public int SetupStep { get; set; }
     }