mass pkg get

[coryodaniel]

Breaking this into a few smaller prs:

• mass pkg cfg --params -
• internal getPackage rename
• mass pkg get full markdown report

Package GET

Markdown report

mass pkg get api-prod-db

Full JSON object

mass pkg get api-prod-db -ojson

Package Configure STDIN support

mass pkg cfg --params -

[coryodaniel]

Probably a bit more than we actually need lol.

[coryodaniel]

I'm going to break this into a few smaller PRs. No need to approve.

[coryodaniel]

moved to new pr

Suggested change

	if pkgParamsPath == "-" {
	// Read from stdin
	if err := json.NewDecoder(os.Stdin).Decode(&params); err != nil {
	return fmt.Errorf("failed to decode JSON from stdin: %w", err)
	}
	} else {
	if err := files.Read(pkgParamsPath, &params); err != nil {
	return err
	}