Update account import readme

README.md

@@ -73,6 +73,7 @@ module "aws_organizations_and_sso" {
             email = "[email protected]"
             # If the account has been imported into terrafrom, this must be set to "NULL"
             # This behaviour cannot be changed once the account is created (only the root user account will be able to change it)
+            # (Terraform import example can be found at https://github.com/chris-qa-org/terraform-aws-organzation-and-sso/blob/main/examples/existing-account-import/README.md)
             iam_user_access_to_billing = "NULL"
             group_assignments = {
               "SysAdmins" = {

examples/existing-account-import/README.md

@@ -3,6 +3,12 @@
 If an AWS account has been imported, the `iam_user_access_to_billing` setting must be set to "NULL" (`string`)
 This is because it can only be set during account creation
 
+## Importing an account
+
+```
+terraform import 'module.aws_organizations_and_sso.aws_organizations_account.account["my-account-name"]' 0123456789112
+```
+
 ```
 module "aws_organizations_and_sso" {
   source  = "chris-qa-org/organzation-and-sso/aws"