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

Elternbeirat.Web.Tests/PocketBaseFixture.cs

@@ -226,7 +226,11 @@ public sealed class PocketBaseFixture : IAsyncLifetime
         // links home too, but the nav entry is the single source of the home link.
         await CreateRecordAsync(http, "pages", new
         {
-            title = "Start", body = "# Willkommen", location = "header",
+            // The body drives the home hero: "# heading" -> h1, the paragraph -> intro,
+            // the last paragraph of only links -> the button row.
+            title = "Start",
+            body = "# Willkommen\n\nSchön, dass Sie da sind.\n\n[Kommende Termine](/events)\n[Kontakt aufnehmen](/contact)",
+            location = "header",
             order = 1, slug = "home", embed = new[] { "posts", "events" }, @public = true,
         });
         await CreateRecordAsync(http, "pages", new