[6D-teleop] Settings from parameter server

[DamKoVosh]

The teleoperation settings are currently hard coded. To change the default or max speed it would require to fork our repo, we should load those settings from the parameter server. Either with an config file or by making them single arguments.

[DamKoVosh]

The joint names are currently hard coded as well, creating a direct dependency on the prbt, which is not in out intention as well, they need to be editable in some form as well