Updated 1.1. Repo. Root (markdown)

1.1.-Repo.-Root.md

@@ -6,4 +6,23 @@
 | `docs/` | Automatically-generated documentation files. |
 | `src/` | The source code for the Plugin itself. |
 | `_tools/` | Useful Bash scripts (@todo this should eventually be merged with `.github/workflows/`). |
-| `.github/` | GitHub Actions workflows and Issue templates. |
+| `.github/` | GitHub Actions workflows and Issue templates. |
+
+# Repo. Root Files
+
+| File Name | Description |
+|------|-------------|
+| `CHANGELOG.md` | The full project changelog. |
+| `CODE_OF_CONDUCT.md` | The project CoC. |
+| `composer.json` & `composer.lock` | Declares Composer dependencies and scripts. |
+| `CONTRIBUTING.md` | A guide to contributing to the project. |
+| `LICENSE` | The license under which the project is released. |
+| `package.json` & `package-lock.json` | Declares NPM dependencies and scripts. |
+| `README.md` | Provides an overview of the project. |
+| `SECURITY.md` | Provides guidance on reporting security-related issues. |
+| `wpml-config.xml` | Used by the [WPML Plugin](https://wpml.org/documentation/support/language-configuration-files/) for translation. |
+| `.distignore` | Lists files to ignore when building the Plugin for distribution (@todo this is not currently used). |
+| `.eslintignore` & `.eslintrc.js` | Config. files for JavaScript linting. |
+| `.gitignore` | Lists files to exclude from Git version control. |
+| `.prettierignore` & `.prettierrc` | Config. files for JavaScript formatting. |
+| `.stylelintignore` & `.stylelinttc.json` | Config. files for stylesheet linting. |