Add `tea whoami` command #426

The User print will be used in future for list of users for admin

nice feature! just some nits :)

Also, will you add a user listing command too? right now print.UserList() is dead code

Also, will you add a user listing command too? right now print.UserList() is dead code

yes, I hope to add admin commands to list users (and potentially delete them too, for moderation purposes).

I've updated per your feedback, thanks :)

@axifive I've updated per your feedback, please review :)

@techknowlogick to get CI passing, we need to merge #425 and update this PR (with :magician: powers maybe? ;)

 var CmdWhoami = cli.Command{
 	Name:        "whoami",
 	Category:    catSetup,
 	Description: `.`,

 	case "language":
 		return x.Language
 	case "is_admin":
 		return fmt.Sprintf("%t", x.IsAdmin)

 	case "language":
 		return x.Language
 	case "is_admin":
 		return formatBoolean(x.IsAdmin, true)

 	"github.com/urfave/cli/v2"
 )
 // CmdTrackedTimes represents the command to operate repositories' times.

 	"code.gitea.io/sdk/gitea"
 )
 // RepoDetails print an repo formatted to stdout

 	), "")
 }
 // ReposList prints a listing of the repos