Add documentation for new -ReplyTo parameter in Send-MailMessage

[replicaJunction]

Issue Details

Pending the acceptance of PowerShell/PowerShell#8727, the new -ReplyTo parameter in the Send-MailMessage cmdlet will need documentation added.

Version(s) of document impacted

• Impacts 6.next document
• Impacts 6 document
• Impacts 5.1 document
• Impacts 5.0 document
• Impacts 4.0 document
• Impacts 3.0 document

Reason(s) for not selecting all version of documents

• The documented feature was introduced in selected version of PowerShell
• This issue only shows up in selected version of the document

[replicaJunction]

The linked PR has been merged.

I don't mind working on this if it would be helpful. Is this the correct file for documentation for version 6.next?

[rjmholt]

@joeyaiello, you might be the best person to ask here