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>

bootstrap/providers.php

@@ -0,0 +1,7 @@
+<?php
+
+use App\Providers\AppServiceProvider;
+
+return [
+    AppServiceProvider::class,
+];