IDL6-version_info
* **Device version detailed info**
* At [https://gitlab.com/tango-controls/tango-idl/-/blob/5.1.2/tango.idl?ref\_type=tags#L613]
* Add DevInfo\_6, and info\_6() operation:
* sequence<(string name, string value)> version\_info ?
* this feature will include at least: library version (tango), IDL version, implementation version (pytango, java), source version would be optional.