Add PowerShell Language Support

[kilasuit]

Is your feature request related to a problem? Please describe.

Please add support for PowerShell Language

Describe the solution you'd like

Ext to work with Powershell files

Describe alternatives you've considered

investigating other tools to do this

Additional context
Was asked about in the PowerShell Discord & in my searching to give an answer led to this extension & its lack of support for PowerShell