Yeh, at least provide a command-line method of installing it.
If you're the type to install ssh, I'm guessing you're not a typical Windows user who is horrified by the command-prompt.
Add-WindowsCapability -Online -Name OpenSSH.Client
Get-WindowsCapability -Online | Where-Object{$_.Name -like “OpenSSH.Client*”} | ForEach-Object{ Add-WindowsCapability -Online -Name $_.Name}