Improve viper and cobra integration

- Add sub-commands flags
- Factorize version commands
- Fix import format
- Fix GUI
3 jobs for 402_fangs
Status Name Job ID Coverage
  Test
passed Code lint #1601
golang lint

00:16:07

passed Integration tests #1600
golang mongo goqt

00:02:45

passed Unit tests #1599
golang mongo strong

00:06:00