Restructure into feature folders with code-behind and scoped CSS

Elternbeirat.Web/Features/Home/Home.razor.cs

@@ -0,0 +1,17 @@
+using System.Globalization;
+using Elternbeirat.Web.Services;
+
+namespace Elternbeirat.Web.Features.Home;
+
+public partial class Home
+{
+    private static readonly CultureInfo German = CultureInfo.GetCultureInfo("de-DE");
+
+    private IReadOnlyList<Post> _latest = [];
+
+    protected override void OnInitialized()
+    {
+        // Show the three most recent posts as a teaser on the home page.
+        _latest = [.. PostService.All.Take(3)];
+    }
+}