Add organizer pages, SEO breadcrumbs, Open Graph, homepage redesign, and infrastructure updates

- Add public organizers list page (/organisateurs) with neo-brutalist card grid, social icons, and logo display
- Add organizer detail page (/organisateur/{id}-{slug}) with company info, SIRET, email, address, social links, and events placeholder
- Add slug-based URLs with 301 redirect on wrong slug, getSlug() method on User entity
- Add "Voir les evenements" button on organizer cards linking to detail page
- Add JSON-LD BreadcrumbList to all 17 pages that were missing breadcrumbs (login, forgot_password, register_success, email_verified, legal/*, attestation/*, account/*)
- Add Open Graph meta tags (og:title, og:description, og:image, og:type, og:locale, og:site_name) in base.html.twig with automatic inheritance from title/description blocks
- Add og:image with organizer logo on detail page
- Update sitemap: add /organisateurs to sitemap-main, generate organizer detail URLs in sitemap-orgas with logo images
- Update navbar to highlight "Organisateurs" on detail pages
- Redesign homepage with hero section, marquee, stats counters, how-it-works, and CTA sections
- Add Tailwind v4 @source "../templates" directive to app.scss and admin.scss
- Migrate Flysystem from S3 to local storage (uploads/events, uploads/logos)
- Update Liip Imagine config with FormatExtensionResolver for webp conversion
- Add User entity social fields (website, facebook, instagram, twitter, tiktok), logo upload (Vich), __serialize/__unserialize for session safety
- Add account page settings tab with profile, logo upload, and social media for organizers
- Add Stripe Connect status display and sub-account management in account page
- Delete WebpExtensionSubscriber (replaced by FormatExtensionResolver)
- Add migration for social fields and logo columns
- Add deploy.yml chmod tasks for uploads directories
- Add HomeController tests (detail success, wrong slug redirect, 404 cases)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

templates/base.html.twig

@@ -55,14 +55,24 @@
             {
                 "@type": "ListItem",
                 "position": {{ loop.index }},
-                "name": "{{ breadcrumb.name }}",
-                "item": "{{ breadcrumb.url }}"
+                "name": "{{ breadcrumb.name }}"{% if breadcrumb.url is defined and breadcrumb.url is not empty %},
+                "item": "{{ breadcrumb.url }}"{% endif %}
             }{% if not loop.last %},{% endif %}
             {% endfor %}
         ]
     }
     </script>
     {% endif %}
+    {% block og %}
+        <meta property="og:title" content="{% block og_title %}{{ block('title') }}{% endblock %}">
+        <meta property="og:description" content="{% block og_description %}{{ block('description') }}{% endblock %}">
+        <meta property="og:type" content="{% block og_type %}website{% endblock %}">
+        <meta property="og:locale" content="fr_FR">
+        <meta property="og:site_name" content="E-Ticket">
+        {% block og_image %}
+            <meta property="og:image" content="https://ticket.e-cosplay.fr/logo.png">
+        {% endblock %}
+    {% endblock %}
     {% block stylesheets %}{% endblock %}
     {% block javascripts %}
         {{ vite_asset('app.js') }}
@@ -85,7 +95,9 @@
                     {% set current_route = app.request.attributes.get('_route') %}
                     <a href="{{ path('app_home') }}" itemprop="url" class="px-3 py-2 text-xs font-black uppercase tracking-widest transition-all {{ current_route == 'app_home' ? 'bg-yellow-400 border-2 border-gray-900 shadow-[2px_2px_0px_rgba(0,0,0,1)]' : 'hover:text-indigo-600' }}"><span itemprop="name">Accueil</span></a>
                     <a href="#" itemprop="url" class="px-3 py-2 text-xs font-black uppercase tracking-widest transition-all hover:text-indigo-600"><span itemprop="name">Evenements</span></a>
+                    <a href="{{ path('app_organizers') }}" itemprop="url" class="px-3 py-2 text-xs font-black uppercase tracking-widest transition-all {{ current_route in ['app_organizers', 'app_organizer_detail'] ? 'bg-yellow-400 border-2 border-gray-900 shadow-[2px_2px_0px_rgba(0,0,0,1)]' : 'hover:text-indigo-600' }}"><span itemprop="name">Organisateurs</span></a>
                     <a href="{{ path('app_contact') }}" itemprop="url" class="px-3 py-2 text-xs font-black uppercase tracking-widest transition-all {{ current_route == 'app_contact' ? 'bg-yellow-400 border-2 border-gray-900 shadow-[2px_2px_0px_rgba(0,0,0,1)]' : 'hover:text-indigo-600' }}"><span itemprop="name">Contact</span></a>
+                    <a href="https://www.e-cosplay.fr" target="_blank" itemprop="url" class="px-3 py-2 text-xs font-black uppercase tracking-widest transition-all hover:text-indigo-600"><span itemprop="name">E-Cosplay</span></a>
                 </div>
 
                 <div class="flex items-center space-x-4 border-l-4 border-gray-900 pl-6 h-full">
@@ -113,7 +125,9 @@
             <div class="p-4 space-y-2 uppercase font-black italic">
                 <a href="{{ path('app_home') }}" class="block p-3 border-2 {{ current_route == 'app_home' ? 'border-gray-900 bg-yellow-400' : 'border-transparent hover:border-gray-900 hover:bg-gray-50' }}" role="menuitem">Accueil</a>
                 <a href="#" class="block p-3 border-2 border-transparent hover:border-gray-900 hover:bg-gray-50" role="menuitem">Evenements</a>
+                <a href="{{ path('app_organizers') }}" class="block p-3 border-2 {{ current_route in ['app_organizers', 'app_organizer_detail'] ? 'border-gray-900 bg-yellow-400' : 'border-transparent hover:border-gray-900 hover:bg-gray-50' }}" role="menuitem">Organisateurs</a>
                 <a href="{{ path('app_contact') }}" class="block p-3 border-2 {{ current_route == 'app_contact' ? 'border-gray-900 bg-yellow-400' : 'border-transparent hover:border-gray-900 hover:bg-gray-50' }}" role="menuitem">Contact</a>
+                <a href="https://www.e-cosplay.fr" target="_blank" class="block p-3 border-2 border-transparent hover:border-gray-900 hover:bg-gray-50" role="menuitem">E-Cosplay</a>
                 {% if app.user %}
                     <a href="{{ path('app_account') }}" class="block p-3 border-2 border-transparent hover:border-gray-900 hover:bg-gray-50" role="menuitem">Mon espace</a>
                 {% else %}