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

Elternbeirat.Web.Tests/RouteSmokeTests.cs

@@ -351,9 +351,9 @@ public sealed partial class RouteSmokeTests : IDisposable
     private static partial Regex Href();
 
     /// <summary>
-    /// Matches the home page's tile navigation, from its opening tag to the closing
-    /// one. It nests no other <c>&lt;nav&gt;</c>.
+    /// Matches the home page's tile section, from its opening tag to the closing
+    /// one. It nests no other <c>&lt;section&gt;</c>.
     /// </summary>
-    [GeneratedRegex("""<nav class="home-tiles".*?</nav>""", RegexOptions.Singleline)]
+    [GeneratedRegex("""<section class="home-tiles".*?</section>""", RegexOptions.Singleline)]
     private static partial Regex HomeTiles();
 }