Automated documentation update (#732)

Automated documentation update [skip ci]

Co-authored-by: github-actions <[email protected]>

Author: devcontainers-bot

src/powershell/README.md

@@ -18,6 +18,12 @@ Installs PowerShell along with needed dependencies. Useful for base Dockerfiles
 | version | Select or enter a version of PowerShell. | string | latest |
 | modules | Optional comma separated list of PowerShell modules to install. | string | - |
 
+## Customizations
+
+### VS Code Extensions
+
+- `ms-vscode.powershell`
+
 
 
 ## OS Support