Create a Windows Terminal Profile for aish when installing AI Shell #316

Summary of the new feature / enhancement

When installing AIShell, it should create an Windows Terminal profile for aish.exe.

This might be implemented as an optional feature for the user to opt-out.

Proposed technical implementation details (optional)

in $env:LOCALAPPDATA\Packages\Microsoft.WindowsTerminal_8wekyb3d8bbwe\LocalState\settings.json add the following to profiles.list:

{
    "commandline": "aish.exe",
    "guid": "{d4d63b2d-eb57-4ca8-af12-5ed5d525a0e5}",
    "hidden": false,
    "name": "AI Shell",
    "startingDirectory": "%USERPROFILE%"
}

Also consider other options like providing an icon.