Add home hero with intro and buttons from the body, next-event card and page tiles

Elternbeirat.Web/Features/Events/EventList.razor.cs

@@ -20,6 +20,9 @@ public partial class EventList
     [Inject]
     private ILogger<EventList> Logger { get; set; } = null!;
 
+    [Inject]
+    private TimeProvider Time { get; set; } = null!;
+
     [CascadingParameter]
     private HttpContext? HttpContext { get; set; }
 
@@ -62,13 +65,8 @@ public partial class EventList
 
         // Split into upcoming and past by date, so an event earlier today still
         // counts as upcoming. Upcoming earliest first, past most recent first.
-        var today = DateOnly.FromDateTime(DateTime.Today);
-        _upcomingEvents =
-        [
-            .. events
-                .Where(@event => DateOnly.FromDateTime(@event.Start) >= today)
-                .OrderBy(@event => @event.Start)
-        ];
+        var today = BerlinClock.Today(Time);
+        _upcomingEvents = [.. UpcomingEvents.From(events, today)];
         _pastEvents =
         [
             .. events