Updated the Sku parameter's description

[rcabr]

Fixed misspelled word ("Fre" to "Free"). Changed example values to use the PowerShell hashtable syntax. Added example values for using the Standard tier.

Description

Checklist

• I have read the Submitting Changes section of CONTRIBUTING.md
• The title of the PR is clear and informative
• The appropriate change log has been updated
• The PR does not introduce breaking changes
• If applicable, the changes made in the PR have proper test coverage
• For public API changes to cmdlets:
  • the changes have gone through a cmdlet design review (Microsoft internal partners only)
  • the cmdlet markdown files were generated using the platyPS module

[adxsdkps]

Can one of the admins verify this patch?

[MiYanni]

You need to add an entry to the ChangeLog.md for Resources (under the ## Current Release header).

[maddieclayton]

@azuresdkci Add to whitelist

resources already has an entry, no need for another.