[tcli] allow the usage of Nodes which REST endpoint is protected by a JWT

[jmcanterafonseca-iota]

Description

[tcli] allow the usage of Nodes which REST endpoint is protected by a JWT

Motivation

There can be nodes which are only available to authorized users

Requirements

Write a list of what you want this feature to do.

1. Just add an additional global parameter --jwt

Open questions (optional)

Are you planning to do it yourself in a pull request?

No