My PowerShell Profile -- includes oh-my-posh and auto completion for git, docker and dotnet and suggestions from history

Microsoft.PowerShell_profile.ps1

# SETUP:
# Install-Module posh-git -Scope CurrentUser
# Install-Module Terminal-Icons -Scope CurrentUser
# winget install JanDeDobbeleer.OhMyPosh -s winget
# Install-Module DockerCompletion -Scope CurrentUser
# Install-Module -Name PSReadLine -Scope CurrentUser
# Install-Module oh-my-posh -Scope CurrentUser

# TODO: https://ohmyposh.dev/docs/migrating

[console]::InputEncoding = [console]::OutputEncoding = New-Object System.Text.UTF8Encoding

# PowerShell parameter completion shim for the dotnet CLI
Register-ArgumentCompleter -Native -CommandName dotnet -ScriptBlock {
    param($commandName, $wordToComplete, $cursorPosition)
        dotnet complete --position $cursorPosition "$wordToComplete" | ForEach-Object {
           [System.Management.Automation.CompletionResult]::new($_, $_, 'ParameterValue', $_)
        }
}

Import-Module Terminal-Icons
Import-Module posh-git # git autocpmpletion, c.f. https://github.com/dahlbyk/posh-git
Set-PoshPrompt -Theme  ~/.oh-my-posh.omp.json

Import-Module DockerCompletion # completion for docker commands

Set-PSReadLineOption -PredictionSource History

# My POSIX-like `touch` utility 
function Set-LastWriteTime
{
    $file = $args[0]
    if ($null -eq $file) {
        Write-Error "Filename not specified." -ErrorAction:Stop
    }

    if (Test-Path $file)
    {
        (Get-ChildItem $file).LastWriteTime = Get-Date
    }
    else
    {
        Add-Content $file $null
    }
}
New-Alias -Name touch Set-LastWriteTime