Fix/broadlink cli refactor

[jghaines]

Context

Proposed change

Add CLI to deployment package Refactor of CLI code for clarity JSON output JSON input template

Type of change

• [ ] Dependency upgrade
• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New device
• [ ] New product id (the device is already supported with a different id)
• [] New feature (which adds functionality to an existing device)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [X] Code quality improvements to existing code or addition of tests
• [ ] Documentation

Additional information

• This PR fixes issue: fixes #744 Error/Status messages should go to stderr

Checklist

• [X] The code change is tested and works locally.
• [X] The code has been formatted using Black.
• [X] The code follows the Zen of Python.
• [X] I am creating the Pull Request against the correct branch.
• [X] Documentation added/updated.