Serve the home nav link from PocketBase, not a hard-coded copy

Elternbeirat.Web/Components/Layout/MainLayout.razor

@@ -20,10 +20,10 @@
             </label>
 
             <nav class="main-nav">
-                @* A home link that only shows in the collapsed mobile menu. On wide
-                   screens the brand is the home link, so this would be a redundant
-                   entry -- CSS hides it there (see .nav-home-mobile). *@
-                <NavLink class="nav-home-mobile" href="/" Match="NavLinkMatch.All">Start</NavLink>
+                @* The home link comes from PocketBase like every other entry (the
+                   "home" page carries location "header"), so it is rendered by the
+                   loop below -- no separate hard-coded home link, which would show
+                   up twice next to the PocketBase one. *@
                 @foreach (var link in _header)
                 {
                     <NavLink href="@link.Href" Match="@(link.Href == "/" ? NavLinkMatch.All : NavLinkMatch.Prefix)">@link.Title</NavLink>