add metadata

Author: pauljewellmsft

articles/storage/common/storage-samples-dotnet.md

@@ -9,6 +9,7 @@ ms.subservice: storage-common-concepts
 ms.topic: sample
 ms.devlang: csharp
 ms.custom: devx-track-dotnet
+ai-usage: ai-assisted
 ---
 
 # Azure Storage samples using .NET client libraries

articles/storage/common/storage-samples-java.md

@@ -9,6 +9,7 @@ ms.service: azure-storage
 ms.subservice: storage-common-concepts
 ms.topic: sample
 ms.devlang: java
+ai-usage: ai-assisted
 ---
 
 # Azure Storage samples using Java client libraries

articles/storage/common/storage-samples-javascript.md

@@ -9,6 +9,7 @@ ms.subservice: storage-common-concepts
 ms.topic: sample
 ms.custom: devx-track-js
 ms.devlang: javascript
+ai-usage: ai-assisted
 ---
 
 # Azure Storage samples using JavaScript client libraries

articles/storage/common/storage-samples-python.md

@@ -11,6 +11,7 @@ ms.subservice: storage-common-concepts
 ms.topic: sample
 ms.devlang: python
 ms.custom: devx-track-python, py-fresh-zinc
+ai-usage: ai-assisted
 ---
 
 # Azure Storage samples using Python client libraries