feat: add s3 provider to files API

Signed-off-by: Sébastien Han <seb@redhat.com>

llama_stack/templates/ollama/run.yaml

@@ -4,6 +4,7 @@ apis:
 - agents
 - datasetio
 - eval
+- files
 - inference
 - safety
 - scoring
@@ -99,6 +100,16 @@ providers:
     provider_type: remote::wolfram-alpha
     config:
       api_key: ${env.WOLFRAM_ALPHA_API_KEY:}
+  files:
+  - provider_id: s3
+    provider_type: remote::s3
+    config:
+      aws_access_key_id: ${env.AWS_ACCESS_KEY_ID:}
+      aws_secret_access_key: ${env.AWS_SECRET_ACCESS_KEY:}
+      region_name: ${env.AWS_REGION_NAME:}
+      endpoint_url: ${env.AWS_ENDPOINT_URL:}
+      bucket_name: ${env.AWS_BUCKET_NAME:}
+      verify_tls: ${env.AWS_VERIFY_TLS:true}
 metadata_store:
   type: sqlite
   db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/ollama}/registry.db