feat: SEO improvements and image optimization

- Enhanced SEO service with meta tags and structured data
- Updated sitemap service and robots.txt
- Optimized listing components for better SEO
- Compressed images (saved ~31MB total)
- Added .gitattributes to enforce LF line endings

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -26,7 +26,9 @@
       "Bash(ls:*)",
       "WebFetch(domain:angular.dev)",
       "Bash(killall:*)",
-      "Bash(echo:*)"
+      "Bash(echo:*)",
+      "Bash(npm run build:*)",
+      "Bash(npx tsc:*)"
     ]
   }
 }