Add full SEO optimization for Spanglish social and language events

- Add comprehensive metadata to root layout with Open Graph, Twitter cards
- Create dynamic sitemap.ts for all pages and events
- Create robots.ts with proper allow/disallow rules
- Add JSON-LD Event structured data to event detail pages
- Add page-specific metadata to events, community, contact, FAQ pages
- Add FAQ structured data schema
- Update footer with local SEO text for Asunción, Paraguay
- Add web manifest for mobile SEO
- Create 404 page with proper noindex
- Optimize image alt text and add lazy loading
- Add NEXT_PUBLIC_SITE_URL env variable
- Add about/ folder to gitignore

frontend/src/app/admin/payment-options/page.tsx

@@ -14,6 +14,8 @@ import {
   CheckCircleIcon,
   XCircleIcon,
   ArrowPathIcon,
+  TicketIcon,
+  Cog6ToothIcon,
 } from '@heroicons/react/24/outline';
 import toast from 'react-hot-toast';
 
@@ -38,6 +40,7 @@ export default function PaymentOptionsPage() {
     cashEnabled: true,
     cashInstructions: null,
     cashInstructionsEs: null,
+    allowDuplicateBookings: false,
   });
 
   useEffect(() => {
@@ -399,6 +402,66 @@ export default function PaymentOptionsPage() {
         </div>
       </Card>
 
+      {/* Booking Settings */}
+      <Card className="mb-6">
+        <div className="p-6">
+          <div className="flex items-center gap-3 mb-4">
+            <div className="w-10 h-10 bg-purple-100 rounded-full flex items-center justify-center">
+              <Cog6ToothIcon className="w-5 h-5 text-purple-600" />
+            </div>
+            <div>
+              <h3 className="font-semibold text-lg">
+                {locale === 'es' ? 'Configuración de Reservas' : 'Booking Settings'}
+              </h3>
+              <p className="text-sm text-gray-500">
+                {locale === 'es' ? 'Opciones adicionales para el proceso de reserva' : 'Additional options for the booking process'}
+              </p>
+            </div>
+          </div>
+
+          <div className="space-y-4 pt-4 border-t">
+            {/* Allow Duplicate Bookings */}
+            <div className="flex items-center justify-between">
+              <div className="flex items-center gap-3">
+                <TicketIcon className="w-5 h-5 text-gray-400" />
+                <div>
+                  <p className="font-medium text-gray-900">
+                    {locale === 'es' ? 'Permitir Reservas Múltiples' : 'Allow Multiple Bookings'}
+                  </p>
+                  <p className="text-sm text-gray-500">
+                    {locale === 'es' 
+                      ? 'Permitir que un usuario reserve varios tickets para el mismo evento con el mismo email'
+                      : 'Allow a user to book multiple tickets for the same event with the same email'}
+                  </p>
+                </div>
+              </div>
+              <button
+                onClick={() => updateOption('allowDuplicateBookings', !options.allowDuplicateBookings)}
+                className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
+                  options.allowDuplicateBookings ? 'bg-primary-yellow' : 'bg-gray-300'
+                }`}
+              >
+                <span
+                  className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
+                    options.allowDuplicateBookings ? 'translate-x-6' : 'translate-x-1'
+                  }`}
+                />
+              </button>
+            </div>
+
+            {options.allowDuplicateBookings && (
+              <div className="bg-yellow-50 border border-yellow-200 rounded-lg p-4 ml-8">
+                <p className="text-sm text-yellow-800">
+                  {locale === 'es' 
+                    ? '⚠️ Cuando está habilitado, los usuarios pueden crear múltiples reservas para el mismo evento. Esto es útil para reservar en nombre de amigos o familiares.'
+                    : '⚠️ When enabled, users can create multiple bookings for the same event. This is useful for booking on behalf of friends or family.'}
+                </p>
+              </div>
+            )}
+          </div>
+        </div>
+      </Card>
+
       {/* Summary */}
       <Card>
         <div className="p-6">