My current Powershell startup script

Microsoft.Powershell_profile.ps1

# To edit this file, in powershell type: `code $profile`
#
# If you need to remove/update PSReadline, you'll need to remove the module
# from your powershell modules folder. You'll need to close all powershell instances
# and delete the `PSReadline` module folder manuall before you install it with
# `Install-Module PSReadline`.
# after that, you should be good.
#
# To install starship on powershell, from the Admin command line, enter
#    scoop install starship

# Install the Terminal-Icons module
if (-not(Get-Module -ListAvailable -Name Terminal-Icons))
{
    Install-Module -Name Terminal-Icons -Repository PSGallery
}

# Add the module import to your PowerShell profile
Import-Module -Name Terminal-Icons

# PowerShell Readline options
Import-Module PSReadLine

Set-PSReadLineKeyHandler -Key Tab -Function MenuComplete

Set-PSReadLineKeyHandler -Key UpArrow -Function HistorySearchBackward
Set-PSReadLineKeyHandler -Key DownArrow -Function HistorySearchForward
Set-PSReadLineKeyHandler -Key Alt+d -Function KillWord

# PowerShell Readline options
Set-PSReadLineOption -HistoryNoDuplicates
Set-PSReadLineOption -HistorySearchCursorMovesToEnd
Set-PSReadLineOption -PredictionSource History
Set-PSReadLineOption -MaximumHistoryCount 2000
Set-PSReadLineOption -HistorySaveStyle SaveIncrementally

Set-PSReadLineOption -Colors @{ InlinePrediction = '#9CA3AF'}

# Setup for Posh-git
$env:POSH_GIT_ENABLED=$true
Import-Module posh-git

# some powershell functions
function clean
{
    git clean -ffxd
}

function .. {Set-Location ..}
function ... {Set-Location ..\..}

function google
{
    $query = 'https://www.google.com/search?q='
    $args | % { "q=" + "$_ "}
    $url = $query + [System.Web.HttpUtility]::UrlEncode($args)
    start "$url"
}

function so
{
    $query = 'http://stackoverflow.com/search?q='
    $args | % { "q=" + "$_ "}
    $url = $query + [System.Web.HttpUtility]::UrlEncode($args)
    start "$url"
}

# Some oh-my-posh theme candidates
#oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH/kushal.omp.json" | Invoke-Expression
#oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH/.omp.json" | Invoke-Expression
#oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH/jandedobbeleer.omp.json" | Invoke-Expression
#oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH/powerlevel10k_modern.omp.json" | Invoke-Expression
#oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH/velvet.omp.json" | Invoke-Expression

# And finally, Starship prompt settings
$ENV:STARSHIP_CONFIG = "$HOME\.config\starship.toml"
Invoke-Expression (&starship init powershell)

link to my starship.toml file