Update devtest-lab-create-lab.md

Updated Managed Identity Content on "Create a Lab - Portal" page. Screenshot needs to be updated.

Author: anishtrakru

articles/devtest-labs/devtest-lab-create-lab.md

@@ -25,6 +25,7 @@ This quickstart walks you through creating a lab in Azure DevTest Labs by using
    - **Resource group**: Select an existing resource group from the dropdown list, or select **Create new** to create a new resource group so it's easy to delete later.
    - **Lab Name**: Enter a name for the lab.
    - **Location**: If you're creating a new resource group, select an Azure region for the resource group and lab.
+   - **Artifacts storage account access**: You can configure whether the lab uses a User-assigned Managed Identity or a Shared Key to access the storage account. To use a User-assigned Managed Identity, select the appropriate managed identity from the list, otherwise select the Storage Account Shared Key option from the list.
    - **Public environments**: Leave **On** for access to the [DevTest Labs public environment repository](https://github.com/Azure/azure-devtestlab/tree/master/Environments). Set to **Off** to disable access. For more information, see [Enable public environments when you create a lab](devtest-lab-create-environment-from-arm.md#set-public-environment-access-for-new-lab).
 
    :::image type="content" source="./media/devtest-lab-create-lab/portal-create-basic-settings.png" alt-text="Screenshot of the Basic Settings tab in the Create DevTest Labs form.":::
@@ -112,4 +113,4 @@ If you created a resource group for the lab, you can now delete the resource gro
 To learn how to add VMs to your lab, go on to the next article:
 
 > [!div class="nextstepaction"]
-> [Create and add virtual machines to a lab in Azure DevTest Labs](devtest-lab-add-vm.md)
+> [Create and add virtual machines to a lab in Azure DevTest Labs](devtest-lab-add-vm.md)