docs: readme cleanup

Author: justinmk3

README.md

@@ -2,7 +2,7 @@
 
 [![GitHub CI status](https://github.com/aws/aws-toolkit-vscode/workflows/CI/badge.svg?branch=master)](https://github.com/aws/aws-toolkit-vscode/actions?query=branch%3Amaster) [![Coverage](https://img.shields.io/codecov/c/github/aws/aws-toolkit-vscode/master.svg)](https://codecov.io/gh/aws/aws-toolkit-vscode/branch/master) [![Marketplace Version](https://img.shields.io/vscode-marketplace/v/AmazonWebServices.aws-toolkit-vscode.svg) ![Marketplace Downloads](https://img.shields.io/vscode-marketplace/d/AmazonWebServices.aws-toolkit-vscode.svg)](https://marketplace.visualstudio.com/items?itemName=AmazonWebServices.aws-toolkit-vscode)
 
-The AWS Toolkit for Visual Studio Code is an extension for connecting your IDE to your AWS resources:
+The AWS Toolkit for Visual Studio Code is an [extension](https://marketplace.visualstudio.com/itemdetails?itemName=AmazonWebServices.aws-toolkit-vscode) for connecting your IDE to your AWS resources:
 
 -   Connect with [IAM credentials](https://docs.aws.amazon.com/sdkref/latest/guide/access-users.html),
     [IAM Identity Center (SSO)](https://docs.aws.amazon.com/singlesignon/latest/userguide/what-is.html),
@@ -26,6 +26,7 @@ requests or any positive contribution. See [CONTRIBUTING.md](CONTRIBUTING.md).
     of common Toolkit tasks.
 -   The [User Guide](https://docs.aws.amazon.com/console/toolkit-for-vscode/welcome)
     contains full instructions for using the Toolkit.
+-   See other [AWS SDKs and Tools](https://docs.aws.amazon.com/sdkref/latest/guide/overview.html).
 
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