feat(seo): add SEO controller for robots.txt and sitemap.xml

- Implemented SeoController with methods for serving robots.txt and sitemap.xml.
- Updated robots.txt logic to disallow access to /admin and /api paths.
- Enhanced meta tags and Open Graph data in home.html.twig for better SEO.
- Added X-Robots-Tag header in SecurityHeadersSubscriber for /admin and /api routes.

graphify-out/manifest.json

@@ -1570,8 +1570,8 @@
     "semantic_hash": ""
   },
   "src/Shared/EventSubscriber/SecurityHeadersSubscriber.php": {
-    "mtime": 1781946833.720618,
-    "ast_hash": "b95292f604fa2b37dbb416c257343b64",
+    "mtime": 1782672841.0804546,
+    "ast_hash": "57d66396929ab5b7823859143ec1f563",
     "semantic_hash": ""
   },
   "src/Shared/Exception/AppException.php": {
@@ -3273,5 +3273,10 @@
     "mtime": 1782410984.7928963,
     "ast_hash": "913a9ec57dd96b9d1fcead197e25e71b",
     "semantic_hash": ""
+  },
+  "src/Shared/Controller/SeoController.php": {
+    "mtime": 1782672834.274309,
+    "ast_hash": "7b148f2bee655e2b1e70adf6476b5598",
+    "semantic_hash": ""
   }
 }