Spectra CLI 4.0.0

What's Changed

• Make bare spectra informational and restyle --help by Ali Bahaloo (@alibahaloo) in https://github.com/xavient/spectra/pull/3
• Bump the CLI to 4.0.0 by Ali Bahaloo (@alibahaloo) in https://github.com/xavient/spectra/pull/4

Full Changelog: 3.0.0...4.0.0