feat: Use MapStaticAssets over UseStaticFiles

Pushy/Pushy/Grains/TextItemGrain.cs

@@ -25,7 +25,7 @@ public interface ITextItem : IGrainWithStringKey
 public sealed class TextItemGrain : Grain, ITextItem, IRemindable
 {
     private readonly IPersistentState<TextItem> _state;
-    private IGrainReminder _reminder;
+    private IGrainReminder? _reminder;
 
     public TextItemGrain(
         [PersistentState("text")] IPersistentState<TextItem> state)

Pushy/Pushy/Program.cs

@@ -52,7 +52,7 @@ app.UseHttpsRedirection();
 app.UseResponseCompression();
 
 
-app.UseStaticFiles();
+app.MapStaticAssets();
 app.UseAntiforgery();
 
 app.MapRazorComponents<App>()