Add auth structure example to variables.tf description

[Copilot]

Enhanced the auth variable description in variables.tf to include a practical example of the authentication configuration structure.

Changes

• Added a comprehensive example to the auth variable description on line 42
• Demonstrates the proper structure for the auth list of objects with all required fields
• Uses the SECRETS authentication scheme as shown in the complete example

Example Added

The description now includes:

auth = [
  {
    auth_scheme = "SECRETS"
    description = "Access the database instance using username and password from AWS Secrets Manager"
    iam_auth    = "DISABLED"
    secret_arn  = aws_secretsmanager_secret.rds_username_and_password.arn
  }
]

This makes it easier for users to understand how to properly configure the auth parameter when using this module, providing a clear working example that matches the existing usage in examples/complete/main.tf.

Addresses the requirement to add an example of the auth structure to help users understand the expected format and values for the authentication configuration.

Original prompt

On variables.tf:42-42, Add to the description an example of the auth structure.

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[mergify]

This pull request was automatically closed as it no longer contains any changes.

This typically happens when another merged pull request has already included this request's
proposed modifications into the default branch.

[mergify]

This pull request was automatically closed as it no longer contains any changes.

This typically happens when another merged pull request has already included this request's
proposed modifications into the default branch.