plugininstall

type Params struct {
	Owner, Repo, Tag string
	UseLatest        bool   // if true, Tag is ignored; use GitHub releases/latest
	InstallDir       string // default "bin" (relative to cwd resolved to abs)
	Force            bool
	Token            string // optional; also read from GITHUB_TOKEN in CLI
	AllowPrerelease  bool   // default false
	OutputName       string // empty = name from archive
	GitHubBaseURL    string // empty = default
	GOOS             string // optional explicit target override
	GOARCH           string // optional explicit target override
}

type Result struct {
	ResolvedInstallPath string
	InstalledFileName   string
	ReleaseRef          string
	ReleaseSource       string
	AssetName           string
	TargetGOOS          string
	TargetGOARCH        string
	Overwrote           bool
	PayloadKind         string
}