OAuth Device Flow part one

part1.go

	ctx := context.Background()

	cfg, err := device.NewConfig("auth0", "rockset", os.Getenv("AUTH0_CLIENT_ID"))
	if err != nil {
		log.Fatalf("failed to create configuration: %v", err)
	}

	a := device.NewAuthorizer(cfg)

	code, err := a.RequestCode(ctx)
	if err != nil {
		log.Fatalf("failed to request a device code: %v", err)
	}

	fmt.Printf(`Attempting to automatically open the SSO authorization page in your default browser.
If the browser does not open or you wish to use a different device to authorize this request, open the following URL:

%s

Then enter the code:
%s
`, code.VerificationURIComplete, code.UserCode)

	token, err := a.WaitForAuthorization(ctx, code)
	if err != nil {
		log.Fatalf("failed to wait for authorization: %v", err)
	}

	fmt.Printf("Successfully logged in!\n")