Fix deploy pipeline and add missing event registrations migration.

Correct CI workflow for events.ladill.com, default deploy paths, nginx
provisioning step, and qr_event_registrations table migration.

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

database/migrations/2026_06_01_000001_create_qr_event_registrations_table.php

@@ -0,0 +1,39 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('qr_event_registrations', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('qr_code_id')->constrained('qr_codes')->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained('users')->cascadeOnDelete(); // organizer
+            $table->string('reference', 40)->unique();
+            $table->string('badge_code', 16)->unique();
+            $table->string('tier_name', 80);
+            $table->unsignedInteger('amount_minor')->default(0);
+            $table->string('currency', 3)->default('GHS');
+            $table->string('attendee_name', 120);
+            $table->string('attendee_email', 200)->nullable();
+            $table->string('attendee_phone', 30)->nullable();
+            $table->json('badge_fields')->nullable();
+            $table->string('status', 20)->default('pending'); // pending | confirmed | failed | cancelled
+            $table->string('payment_reference', 60)->nullable();
+            $table->timestamp('paid_at')->nullable();
+            $table->timestamp('checked_in_at')->nullable();
+            $table->json('metadata')->nullable();
+            $table->timestamps();
+
+            $table->index(['qr_code_id', 'status']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('qr_event_registrations');
+    }
+};