Adding missing permission.

Also, force auto_destroy when cleaning up s3.

README.md

@@ -18,6 +18,11 @@ Permissions required:
 * AmazonVPCFullAccess
 * AmazonEKSServicePolicy
 
+To save state, those extras are needed:
+
+* AmazonS3FullAccess
+* AmazonDynamoDBFullAccess
+
 Required policy:
 
 ```json

state/s3.tf

@@ -4,6 +4,7 @@ resource "aws_s3_bucket" "terraform_state" {
     # lifecycle {
     #     prevent_destroy = true
     # }
+    force_destroy = true
 
     versioning {
         enabled = true