Register Wikipedia tool in demo config

Author: OskarStark

demo/config/packages/ai.yaml

@@ -106,6 +106,9 @@ services:
         autowire: true
         autoconfigure: true
 
+    # TODO: Remove once flex recipe works correctly
+    Symfony\AI\Agent\Bridge\Wikipedia\Wikipedia: ~
+
     Symfony\AI\Agent\Bridge\SimilaritySearch\SimilaritySearch:
         $vectorizer: '@ai.vectorizer.openai'
         $store: '@ai.store.chroma_db.symfonycon'