Add Ladill POS v1 — register, Pay checkout, and commerce links.

Staff-facing counter register at pos.ladill.com with catalog cart, cash and
MoMo/card checkout via Ladill Pay, CRM timeline/import, invoice prefill, and
Merchant catalog import.

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

app/Providers/AppServiceProvider.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Providers;
+
+use App\Models\QrCode;
+use App\Policies\QrCodePolicy;
+use Illuminate\Support\Facades\Gate;
+use Illuminate\Support\ServiceProvider;
+use App\Support\MobileTopbar;
+use Illuminate\Support\Facades\View;
+
+class AppServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        //
+    }
+
+    public function boot(): void
+    {
+        Gate::policy(QrCode::class, QrCodePolicy::class);
+        View::composer(['partials.topbar', 'partials.topbar-qr'], function ($view) {
+            $view->with(MobileTopbar::resolve());
+        });
+
+    }
+}