Initial Ladill Transfer app — file sharing with QR links.

Scaffolded from the Ladill mini/events extraction pattern: multi-file transfers,
retention controls, public landing pages, analytics, and Gitea deploy workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/components/input-error.blade.php

@@ -0,0 +1,9 @@
+@props(['messages'])
+
+@if ($messages)
+    <ul {{ $attributes->merge(['class' => 'text-sm text-red-600 space-y-1']) }}>
+        @foreach ((array) $messages as $message)
+            <li>{{ $message }}</li>
+        @endforeach
+    </ul>
+@endif