added v1 v2 drop down

Author: ssalgadodev

articles/machine-learning/how-to-read-write-data-v2.md

@@ -16,6 +16,10 @@ ms.custom: devx-track-python, devplatv2, sdkv2, cliv2, event-tier1-build-2022
 
 # Read and write data in a job
 
+> [!div class="op_single_selector" title1="Select the version of Azure Machine Learning CLI extension you are using:"]
+> * [v1](v1/how-to-train-with-datasets.md)
+> * [v2 (current version)](how-to-read-write-data-v2.md)
+
 [!INCLUDE [sdk v2](../../includes/machine-learning-sdk-v2.md)]
 [!INCLUDE [CLI v2](../../includes/machine-learning-CLI-v2.md)]
 

articles/machine-learning/v1/how-to-train-with-datasets.md

@@ -7,7 +7,7 @@ ms.service: machine-learning
 ms.subservice: mldata
 ms.author: yogipandey
 author: ynpandey
-ms.reviewer: nibaccam
+ms.reviewer: ssalgado
 ms.date: 10/21/2021
 ms.topic: how-to
 ms.custom: devx-track-python, data4ml, sdkv1, event-tier1-build-2022
@@ -16,6 +16,10 @@ ms.custom: devx-track-python, data4ml, sdkv1, event-tier1-build-2022
 
 # Train models with Azure Machine Learning datasets 
 
+> [!div class="op_single_selector" title1="Select the version of Azure Machine Learning CLI extension you are using:"]
+> * [v1](how-to-train-with-datasets.md)
+> * [v2 (current version)](../how-to-read-write-data-v2.md)
+
 [!INCLUDE [sdk v1](../../../includes/machine-learning-sdk-v1.md)]
 
 In this article, you learn how to work with [Azure Machine Learning datasets](/python/api/azureml-core/azureml.core.dataset%28class%29) to train machine learning models.  You can use datasets in your local or remote compute target without worrying about connection strings or data paths.