Add configuration file format section in documentation

[amarjeetkr]

Description

Added configuration file format section in documentation

Mandatory Checklist

• Please choose the target release of Azure PowerShell. (⚠️Target release is a different concept from API readiness. Please click below links for details.)

  • General release

• Check this box to confirm: I have read the Submitting Changes section of CONTRIBUTING.md and reviewed the following information:

• SHOULD update ChangeLog.md file(s) appropriately
  • Update src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md.
    • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header in the past tense.
  • Should not change ChangeLog.md if no new release is required, such as fixing test case only.
• SHOULD regenerate markdown help files if there is cmdlet API change. Instruction
• SHOULD have proper test coverage for changes in pull request.
• SHOULD NOT adjust version of module manually in pull request

[azure-client-tools-bot-prd]

Thanks for your contribution! The pull request validation has started. Please revisit this comment for updated status.

[Copilot]

Pull Request Overview

This PR adds configuration file format documentation to two DataMigration cmdlet help files to provide users with examples of the JSON configuration structure expected by the -ConfigFilePath parameter.

Key Changes

• Added JSON configuration examples for Get-AzDataMigrationAssessment showing required fields for assessment operations
• Added JSON configuration examples for Get-AzDataMigrationPerformanceDataCollection showing performance data collection configuration

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
src/DataMigration/DataMigration/help/Get-AzDataMigrationAssessment.md	Added configuration file format section with JSON example showing assessment config structure (action, outputFolder, overwrite, sqlConnectionStrings)
src/DataMigration/DataMigration/help/Get-AzDataMigrationPerformanceDataCollection.md	Added configuration file format section with JSON example showing performance collection config structure (action, outputFolder, perfQueryIntervalInSec, staticQueryIntervalInSec, numberOfIterations, sqlConnectionStrings)

[notyashhh]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 3 pipeline(s).

[amarjeetkr]

@notyashhh
All the checks are passed, could you please approve the PR?
Also this needs to be published. Thank you.