update example Readme

Author: zahorniak

examples/simple/README.md

@@ -52,6 +52,7 @@ No inputs.
 | <a name="output_lambda_cloudwatch_log_group_arn"></a> [lambda\_cloudwatch\_log\_group\_arn](#output\_lambda\_cloudwatch\_log\_group\_arn) | The ARN of the Cloudwatch Log Group |
 | <a name="output_lambda_function_arn"></a> [lambda\_function\_arn](#output\_lambda\_function\_arn) | The ARN of the Lambda Function |
 | <a name="output_lambda_function_arn_static"></a> [lambda\_function\_arn\_static](#output\_lambda\_function\_arn\_static) | The static ARN of the Lambda Function. Use this to avoid cycle errors between resources (e.g., Step Functions) |
+| <a name="output_lambda_function_code_sha256"></a> [lambda\_function\_code\_sha256](#output\_lambda\_function\_code\_sha256) | Base64-encoded representation of raw SHA-256 sum of the zip file. |
 | <a name="output_lambda_function_invoke_arn"></a> [lambda\_function\_invoke\_arn](#output\_lambda\_function\_invoke\_arn) | The Invoke ARN of the Lambda Function |
 | <a name="output_lambda_function_kms_key_arn"></a> [lambda\_function\_kms\_key\_arn](#output\_lambda\_function\_kms\_key\_arn) | The ARN for the KMS encryption key of Lambda Function |
 | <a name="output_lambda_function_last_modified"></a> [lambda\_function\_last\_modified](#output\_lambda\_function\_last\_modified) | The date Lambda Function resource was last modified |