Merge pull request #22 from aws-ia/readme

Adding deprecation notice

README.md

@@ -1,4 +1,9 @@
-# CloudFormation Base EKS
+## 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).
+
+
+## CloudFormation Base EKS
 
 This Reference Architecture is designed to be used by AWS Marketplace, as a base for EKS related items. See the SUBMODULE_README.md for how to properly use it.
 
@@ -130,4 +135,4 @@ Zones, so it is well suited for high availability, stateful applications that ar
 [EFS provisioner project](https://github.com/helm/charts/tree/master/stable/efs-provisioner).
 
 There are several configuration options available to tune the performance and throughput of the underlying EFS volume.
-For more information, see [Amazon EFS Performance](https://docs.aws.amazon.com/efs/latest/ug/performance.html).
+For more information, see [Amazon EFS Performance](https://docs.aws.amazon.com/efs/latest/ug/performance.html).