CLI Usability Enhancements

[sabre1041]

From a usability perspective, the current modctl CLI is focused on implementation rather than usability. In order to increase adoption and use, several areas within the CLI can be improved upon:

• Command and subcommand descriptions
• Helper functions
• Expanded high level explanation of the tool and use
• Messaging when errors are encountered

Each of these areas improve the user experience and encourage adoption of the project

[chlins]

Updated command descriptions in #256.

[gmarav05]

Hi @sabre1041, @chlins, I would like to work on a small, scoped improvement here focused on CLI usability. Can you please assign me this issue.

[sabre1041]

Hi @sabre1041, @chlins, I would like to work on a small, scoped improvement here focused on CLI usability. Can you please assign me this issue.

done

[gmarav05]

Hi @sabre1041, @chlins, I would like to work on a small, scoped improvement here focused on CLI usability. Can you please assign me this issue.

done

Thank you @sabre1041, I submitted my pull request.