enhance(view): Add "skip to content" link (#2622)

resources/views/layouts/app.blade.php

@@ -1,7 +1,12 @@
 <div class="max-w-3xl mx-auto">
+
+  <a class="sr-only focus:not-sr-only" href="#main">
+    {{ __('Skip to content') }}
+  </a>
+
   @include('partials.header')
 
-    <main class="py-8 prose main">
+    <main id="main" tabindex="-1" class="py-8 prose main">
       @yield('content')
     </main>