Update contributor guide to list meta files policy

Author: sdwheeler

reference/docs-conceptual/community/contributing/get-started-writing.md

@@ -1,6 +1,6 @@
 ---
 description: This article is an overview of how to get started as a contributor to the PowerShell documentation.
-ms.date: 07/26/2022
+ms.date: 01/03/2025
 title: Get started contributing to PowerShell documentation
 ---
 # Get started contributing to PowerShell documentation
@@ -15,7 +15,7 @@ conceptual.
 ### Reference content
 
 The reference content is the PowerShell cmdlet reference for the cmdlets that ship in PowerShell.
-The cmdlet [reference][2] is collected in versioned folders (like 5.1, 7.0, and 7.2), which contain
+The cmdlet [reference][2] is collected in versioned folders (like 5.1, 7.4, and 7.5), which contain
 reference for the modules that ship with PowerShell. This content is also used to create the help
 information displayed by the `Get-Help` cmdlet.
 
@@ -28,6 +28,36 @@ version of PowerShell.
 > Anytime a conceptual article is added, removed, or renamed, the TOC must be updated and deleted or
 > renamed files must be redirected.
 
+### Metadata files
+
+This project contains several types of metadata files. The metadata files control the behavior of
+our build tools and the publishing system. Only PowerShell-Docs maintainers and approved
+contributors are allowed to change these files. If you think that a meta file should be changed,
+open an issue to discuss the needed changes.
+
+Meta files in the root of the repository
+
+- `.*` - configuration files in the root of the repository
+- `*.md` - Project documentation in the root of the repository
+- `*.yml` - Project documentation in the root of the repository
+- `.devcontainer/*` - devcontainer configuration files
+- `.github/**/*` - GitHub templates, actions, and other meta files
+- `.vscode/**/*` - VS Code extension configurations
+- `assets/*` - contains downloadable files linked in the documentation
+- `redir/*` - contain redirection mapping files
+- `tests/*` - test tools used by the build system
+- `tools/*` - other tools used by the build system
+
+Meta files in the documentation set
+
+- `reference/**/*.json` - docset configuration files
+- `reference/**/*.yml` - TOC and other structured content files
+- `reference/bread/*` - breadcrumb navigation configuration
+- `reference/includes/*` - markdown include files
+- `reference/mapping/*` - version mapping configuration
+- `reference/**/media/**` - image files used in documentation
+- `reference/module/*` - Module Browser page configuration
+
 ## Creating new articles
 
 A GitHub issue must be created for any new document you want to contribute. Check for existing