PowerToys PowerRename random values feature docs

[jhirvioja]

• Added PowerToys PowerRename random string values documentation text
  • PR not yet merged: https://github.com/microsoft/PowerToys/pull/32836

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Learn Build status updates of commit d87672d:

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[learn-build-service-prod[bot]]

Learn Build status updates of commit 4aa580f:

:white_check_mark: Validation status: passed

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hub/powertoys/powerrename.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

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[learn-build-service-prod[bot]]

Learn Build status updates of commit c54b2af:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
hub/powertoys/powerrename.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel