Installing powershell preview builds for mac and linux has changed

[TravisEz13]

Issue Details

For linux, the change is only for preview build the package name has changed to powershell-preview

For mac, the change is to install a preview build you should do the following:

brew tap caskroom/versions
brew cask install powershell-preview

Version(s) of document impacted

• Impacts 6.1 document
• Impacts 6.0 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

[sdwheeler]

Fix merged

[TravisEz13]

only mac has been fixed so far

[sdwheeler]

@TravisEz13 oops, sorry