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

backend/src/routes/media.ts

@@ -11,7 +11,8 @@ const mediaRouter = new Hono();
 
 const UPLOAD_DIR = './uploads';
 const ALLOWED_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/avif'];
-const MAX_FILE_SIZE = 5 * 1024 * 1024; // 5MB
+const MAX_FILE_SIZE =
+  (Number(process.env.MEDIA_MAX_UPLOAD_MB || '10') || 10) * 1024 * 1024; // default 10MB
 
 // Ensure upload directory exists
 async function ensureUploadDir() {
@@ -37,7 +38,8 @@ mediaRouter.post('/upload', requireAuth(['admin', 'organizer']), async (c) => {
     
     // Validate file size
     if (file.size > MAX_FILE_SIZE) {
-      return c.json({ error: 'File too large. Maximum size: 5MB' }, 400);
+      const mb = Math.round((MAX_FILE_SIZE / (1024 * 1024)) * 10) / 10;
+      return c.json({ error: `File too large. Maximum size: ${mb}MB` }, 400);
     }
     
     await ensureUploadDir();