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/Notifications/EventProgrammeSharedNotification.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Models\QrCode;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class EventProgrammeSharedNotification extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    public function __construct(
+        private readonly QrCode $event,
+        private readonly QrCode $programme,
+        private readonly ?string $attendeeName = null,
+    ) {}
+
+    public function via(mixed $notifiable): array
+    {
+        return ['mail'];
+    }
+
+    public function toMail(mixed $notifiable): MailMessage
+    {
+        $eventName = $this->event->content()['name'] ?? $this->event->label;
+
+        return (new MailMessage())
+            ->subject('Programme for ' . $eventName)
+            ->view('mail.notifications.event-programme', [
+                'eventName'     => $eventName,
+                'programmeUrl'  => $this->programme->publicUrl(),
+                'attendeeName'  => $this->attendeeName,
+            ]);
+    }
+}