docs: Update PSScript examples

[Gijsreyn]

PR Summary

This pull request updates the already scaffolded examples for Microsoft.DSC.Transitional/WindowsPowerShell and Microsoft.DSC.Transitional/PowerShell.

[Copilot]

Pull request overview

This PR refreshes and expands the documentation examples for the transitional PowerShellScript and WindowsPowerShellScript DSC resources, aligning the resource reference pages with clearer, more complete sample scenarios.

Changes:

• Update resource index pages to point to the new/renamed example documents.
• Add a new WindowsPowerShellScript example showing get/test/set patterns for Windows service state.
• Add two new PowerShellScript examples covering basic get/set/test behavior and input/output binding patterns.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
docs/reference/resources/Microsoft/DSC/Transitional/WindowsPowerShellScript/index.md	Updates the “See also” example link to the new Windows service-state example page.
docs/reference/resources/Microsoft/DSC/Transitional/WindowsPowerShellScript/examples/manage-windows-service-state-with-powershell.md	New end-to-end example demonstrating inline Windows PowerShell scripts for service state management.
docs/reference/resources/Microsoft/DSC/Transitional/PowerShellScript/index.md	Updates the example link to the renamed “run a simple” example page.
docs/reference/resources/Microsoft/DSC/Transitional/PowerShellScript/examples/run-a-simple-powershell-script.md	New example illustrating basic get/set/test usage and stream/log-level mapping.
docs/reference/resources/Microsoft/DSC/Transitional/PowerShellScript/examples/powershell-script-with-input-output.md	New example illustrating input binding and error cases when input/param mismatch.