* feat(docker): add aliases for container, network, and system prune
This PR adds missing aliases for Docker prune commands (container, network, and system) to the docker plugin, improving consistency with the existing image and volume prune aliases.
* docs(docker): add prune aliases to README
Added 'dcprune', 'dnprune', and 'dsprune' aliases for container, network, and system pruning.
* docs(docker): add prune aliases to README
