GuestLog - GuestDocument fixes & improvements:

- Use GuestDocument Details page to see details.
- Added GuestDocument stays in details page.

Other minor changes:
- Updated validators to use ValueValidator base class.
- Changed Snackbar settings to show them better.
- Added Empty Debug page to test things. This page wont be updated in git, all test must be local-only.

src/Somnia.GuestLog/Program.cs

@@ -23,7 +23,13 @@ builder.Services.AddDbContextFactory<GuestLogContext>(options =>
 builder.Services.AddDatabaseDeveloperPageExceptionFilter();
 
 // Add MudBlazor services
-builder.Services.AddMudServices();
+builder.Services.AddMudServices(c =>
+{
+    c.SnackbarConfiguration.PositionClass = MudBlazor.Defaults.Classes.Position.TopCenter;
+    c.SnackbarConfiguration.ShowTransitionDuration = 300;
+    c.SnackbarConfiguration.HideTransitionDuration = 500;
+    c.SnackbarConfiguration.VisibleStateDuration = 10000;
+});
 
 // Add components services to the container.
 builder.Services.AddRazorComponents()