Add this code block to the top of your PowerShell profile. This is assuming you clone this repo to your GitHub folder. Please adjust your path as necessary.
$hostsTextEditor = 'vim.exe'
$GithubPath = [Environment]::GetFolderPath("MyDocuments") + "\Github\"
. ($GithubPath + "\powershellHelpers\powershellHelpers.ps1")
These helpers assume you have VSCode installed as well as Vim. Feel free to change the editors where needed.