Improvements

• Whenever groups are listed, also print this info:

Run 'swarm-cli GROUP --help' to see available commands in a group

• Whenever commands are listed, also print this info:

Run 'swarm-cli COMMAND --help' for more information on a command

• When only swarm-cli is called, also print a headline, eg.:

swarm-cli v0.6.1 - Manage your Bee node and interact with the Swarm network via the CLI

• When only swarm-cli is called, do not print error message

• When groups are called without commands, do not print error message

• When help is printed for a specific command, include an usage part, eg.:

█ Usage:

swarm-cli feed upload <path> [OPTIONS]

• When commands are called without any options and arguments BUT they require an argument, print usage instead of the error message

Mockup