This implements a new command "config" in the CLI to handle RevPi
configuration. It includes parsing and subparser setup for
configuration-related operations. The change improves usability by
extending CLI functionality to manage RevPi configuration objects.
Introduced a new CLI command to enable, disable, check the status, and
list available features for Revpi using D-Bus calls. This implementation
provides a structured interface for managing Revpi configurations via
command-line actions.
This function facilitates retrieving specific properties from a DBus
interface, improving code modularity and reusability. It supports both
system and session bus types, streamlining access to DBus resources.
