update links in AWS Terraform READMEs (#49346)

* update links in AWS Terraform READMEs

* update link

* fix link to architecture

* fix docs terraform provider link

examples/aws/terraform/README.md

@@ -11,7 +11,7 @@ If you are planning on using our Terraform example in production, please referen
 
 We recommend familiarizing yourself with the following resources prior to reviewing our Terraform examples:
 
-- [Teleport Architecture](https://goteleport.com/docs/architecture/overview/)
+- [Teleport Architecture](https://goteleport.com/docs/reference/architecture/)
 - [Admin Guide](https://goteleport.com/docs/management/admin/)
 
 In order to spin up AWS resources using these Terraform examples, you need the following software:
@@ -39,4 +39,4 @@ Please [see the AMIS.md file](AMIS.md) for a list of public Teleport AMI IDs tha
 
 ## This is not the Teleport Terraform Provider
 
-If you are looking for Teleport's [Terraform Provider](https://goteleport.com/docs/setup/guides/terraform-provider/) which can be used to provision users, roles, auth connectors and other resources inside an existing Teleport cluster, its source code can be found in the `teleport-plugins` repo here: https://github.com/gravitational/teleport-plugins/tree/master/terraform
+If you are looking for Teleport's [Terraform Provider](https://goteleport.com/docs/reference/terraform-provider/terraform-provider/) which can be used to provision users, roles, auth connectors and other resources inside an existing Teleport cluster, its source code can be found here: https://github.com/gravitational/teleport/tree/master/integrations/terraform

examples/aws/terraform/ha-autoscale-cluster/README.md

@@ -20,7 +20,7 @@ the ports to the other parts.
 
 We recommend familiarizing yourself with the following resources prior to reviewing our Terraform examples:
 
-- [Teleport Architecture](https://goteleport.com/docs/architecture/overview/)
+- [Teleport Architecture](https://goteleport.com/docs/reference/architecture/)
 - [Admin Guide](https://goteleport.com/docs/management/admin/)
 - [Running Teleport Enterprise in High Availability mode on AWS](https://goteleport.com/docs/deploy-a-cluster/deployments/aws-ha-autoscale-cluster-terraform/)
 

examples/aws/terraform/starter-cluster/README.md

@@ -6,7 +6,7 @@ Do not use this in production! This example should be used for demo, proof-of-co
 
 ## How does this work?
 
-Teleport AMIs are built so you only need to specify environment variables to bring a fully configured instance online. See `data.tpl` or our [documentation](https://goteleport.com/docs/deploy-a-cluster/deployments/aws-terraform/#set-up-variables) to learn more about supported environment variables.
+Teleport AMIs are built so you only need to specify environment variables to bring a fully configured instance online. See `data.tpl` or our [documentation](https://goteleport.com/docs/admin-guides/deploy-a-cluster/deployments/aws-starter-cluster-terraform/#set-up-variables) to learn more about supported environment variables.
 
 A series of systemd [units](https://github.com/gravitational/teleport/tree/master/assets/aws/files/system) bootstrap the instance, via several bash [scripts](https://github.com/gravitational/teleport/tree/master/assets/aws/files/bin).