Add Winget program installation / upgrade and uninstallation window and 'System' sub-menu

[Axlfc]

Implement new feature to be able to install / upgrade / uninstall, individually or in bulk programs using WinGet

• [x] Display full list of installed programs winget list --source "winget"

• [x] Display full list of upgradable packages winget upgrade

• [x] Display full list of installable programs winget search --exact

• [x] Get program info winget show "Spotify.Spotify"

• [ ] Get only Description from program info:

  $ProgramId = "Spotify.Spotify"; $outputEncoding = [Console]::OutputEncoding; [Console]::OutputEncoding = [System.Text.Encoding]::UTF8; $description = winget show "$ProgramId" | Out-String | Select-String -Pattern '(?sm)Description:\r?\n(.+?)(?=\r?\n\S)' -AllMatches | ForEach-Object { $_.Matches.Groups[1].Value.Trim() }; [Console]::OutputEncoding = $outputEncoding; Write-Output $description