First commit. Include junk from template to remove

src/Application/TodoItems/Commands/UpdateTodoItem/UpdateTodoItem.cs

@@ -0,0 +1,35 @@
+using Hutopy.Application.Common.Interfaces;
+
+namespace Hutopy.Application.TodoItems.Commands.UpdateTodoItem;
+
+public record UpdateTodoItemCommand : IRequest
+{
+    public int Id { get; init; }
+
+    public string? Title { get; init; }
+
+    public bool Done { get; init; }
+}
+
+public class UpdateTodoItemCommandHandler : IRequestHandler<UpdateTodoItemCommand>
+{
+    private readonly IApplicationDbContext _context;
+
+    public UpdateTodoItemCommandHandler(IApplicationDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task Handle(UpdateTodoItemCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.TodoItems
+            .FindAsync(new object[] { request.Id }, cancellationToken);
+
+        Guard.Against.NotFound(request.Id, entity);
+
+        entity.Title = request.Title;
+        entity.Done = request.Done;
+
+        await _context.SaveChangesAsync(cancellationToken);
+    }
+}