[0.6.0]

Special thanks to @jamesread for his contributions for this release!

Added

• feature: Customizable output columns on search, and CSV support (@jamesread)
• feature: Search on parentid and output in json format, optionally with filename (@jamesread)
• New commands added
  • get-repositories
  • register-repository
  • get-packages
  • install-package

Changed

• Updated dependencies
• Updated documentation
• Clippy cleanup