Added links to the migration guide on the AWS package index page (#5723)

Author: pierskarsenbarg

docs/_index.md

@@ -116,3 +116,10 @@ Pulumi offers Components that provide simpler interfaces and higher-productivity
 
 * [Amazon EKS](/registry/packages/eks)
 * [Crosswalk for AWS](/docs/guides/crosswalk/aws), which includes API Gateway, CloudWatch, Elastic Container Registry, Elastic Container Service, Elastic Kubernetes Service, Elastic Load Balancing, Identity & Access Management, Lambda, Virtual Private Cloud, and more
+
+## Migrations
+
+Information about updating the major versions of the AWS Provider, along with any breaking changes that you should be aware of can be found on the following pages:
+
+* [Migrating to v6.x.x guide](/registry/packages/aws/how-to-guides/6-0-migration/)
+* [Migrating to v7.x.x guide](/registry/packages/aws/how-to-guides/7-0-migration/)