Updating the issue template for documentation to show the new location of PowerShell-Docs on the MicrosoftDocs repo.
## PR Context
Cleaning up references post migration of docs to MicrosoftDocs repo. While the redirect works, showing the correct location is preferred in the long run.
Leverage GitHub ability to have multiple options when user clicks "New Issue" to have better issues opened and direct users to Docs repo and UserVoice for Windows PowerShell issues.
