Update readme file

README.md

@@ -4,6 +4,14 @@ Template of a minimal Terraform module.
 
 This module follows the [standard structure][standard-module-structure] described in the [Terraform documentation][terraform-docs].
 
+The following non-standard but commonly used files and folders have also been added:
+
+* `local.tf`
+* `data.tf`
+* `templates`
+
+A [pre-commit][pre-commit] configuration file is present to automatically format and validate the code and update the readme file upon Git commits.
+
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
 ## Requirements
 
@@ -25,5 +33,6 @@ No output.
 
 <!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
 
+ [pre-commit]: https://pre-commit.com/ "pre-commit Website"
  [standard-module-structure]: https://www.terraform.io/docs/modules/index.html#standard-module-structure "Terraform Documentation - Standard Module Structure"
  [terraform-docs]: https://www.terraform.io/docs/ "Terraform Documentation"