ignoreman but ported to powershell 7

ignoreman.ps1

$gitroot = $args[0]

function gitignoreio() {
    # Parameter help description
    Param(
        [Parameter(Mandatory = $true)]
        [String]
        $command
    )

    $output = curl -L -s "https://www.gitignore.io/api/$command"
    return $output
}


if (-Not $gitroot) {
    Write-Warning "No project root provided. Searching for a git project in my working directory..."
    $gitroot = $(Get-ChildItem -Path $userguess *.git -Directory -Hidden)
    if (-Not $gitroot) {
        Write-Warning "No git project found"
        $userguess = Read-Host -Prompt 'Where is the root of your git project? Relative paths are allowed.'
        try {
            $gitroot = $(Get-ChildItem -Path $userguess *.git -Recurse -Directory -Hidden)
            $gitroot = Split-Path -Path $gitroot -Parent
            Write-Output "Using: $gitroot"
        }
        catch {
            Write-Output "Sorry but I didn't find the .git folder at your path. Try again!"
            exit
        }
    }
}

$ignorefile = "$gitroot/.gitignore";

$templates = gitignoreio list
$selection = $templates -split "," | Out-GridView -Title "Ignore templates" -PassThru
foreach ($select in $selection) {
    Write-Host "Adding the gitignore config for $select"
    gitignoreio $select >> $ignorefile
}

Write-Host "Done! Your new or modified gitignore file is at $ignorefile"