Added two new sections - connect to Azure account and subscriptions

Author: SnehaSudhirG

articles/automation/how-to/runbook-authoring-extension-for-vscode.md

@@ -30,6 +30,28 @@ following these steps:
 1. Select **Azure Automation** from the search results, and then select **Install**.
 1. Select **Reload** when necessary.
 
+## Connect to Azure Account
+
+To view all the resources within your Automation account, you must connect to your Azure account. Follow the steps to connect to Azure from Visual Studio Code:
+
+1. You can sign in to Azure from the Azure Automation extension or the Command Palette.
+    - To sign in from the Azure Automation extension: select **Sign in to Azure**. </br> or </br>
+    - To sign in from the Command Palette: from the menu bar, go to **View > Command Palette** and enter **Azure:Sign-in**.
+1.  Follow the sign in instructions to sign in to Azure.
+    After you're connected, you will find the Azure account name on the status bar of Visual Studio Code. 
+
+## Select subscriptions
+
+When you sign in for the first time, the extension loads only the default subscription resources and Automation accounts. To add or remove subscriptions, follow the steps:
+
+1. You can use the Command Palette or the window footer to start the subscription command.
+    - To sign in from Command Palette - from the menu bar, go to **View > Command Palette** and enter **Azure: Select**. </br> or </br>
+    - To sign in from window footer - In the window footer, select the segment that matches **Azure: <your account>**.
+1. Use the filter to find the subscriptions by name.
+1. Check or uncheck from each subscription to set the subscriptions shows by extension.
+1. Select **OK** after you have completed the adding or removing the subscriptions.
+
+
 ## Using the Azure Automation extension
 
 The extension simplifies the process of creating and editing runbooks. You can now test them locally without logging into the Azure portal. The various actions that you can perform are listed below: