update LocalStack reference in README (#19)

Author: alexrashed

README.md

@@ -1,7 +1,7 @@
 # Amplify LocalStack Plugin
 ![example workflow](https://github.com/localstack/amplify-localstack/actions/workflows/ci.yml/badge.svg)
 
-**Amplify CLI** Plugin to support running against [LocalStack](https://github.com/localstack/localstack)
+**Amplify CLI** Plugin to support running against [LocalStack for AWS](https://www.localstack.cloud/localstack-for-aws)
 
 This plugin allows the amplify CLI tool to create resources directly on your local machine. Any request to AWS is redirected to a running LocalStack instance.