Merge pull request #86 from aws-quickstart/readme

Adding deprecation notice

Author: andrew-glenn

README.md

@@ -1,3 +1,7 @@
 # quickstart-git2s3 
+## Deprecation Notice
+
+:x: This repository is subject to deprecation in Q4 2024. For more details, [please review this announcement](https://github.com/aws-ia/.announcements/issues/1). 
+
 ## This repository has been deprecated in favor of https://github.com/aws-ia/cfn-ps-git2s3. 
 ***We will archive this repository and keep it publicly available until May 1, 2024.***