Given a folder, find all readmes with a given suffix in them and supplant existing non-preview readmes with them

Squash-Preview-Readmes.ps1

param(
    $targetFolder,
    $suffix="-pre.md"
)

Get-ChildItem -Path $targetFolder "*$suffix" | ForEach-Object {
    Write-Host $_
    $NewName = $_.Name.replace($suffix, ".md")
    $Destination = Join-Path -Path $_.Directory.FullName -ChildPath $NewName
    Move-Item -Path $_.FullName -Destination $Destination -Force
}