v0.3.0

What's New

• Added new subcommands: rm, mv, clean
• Add project logo gif to readme
• Add -v, --version flag to display program version info (#82)
• Add --style option to allow different graphical styles
• Update contribution guidelines to utilize dev branch
• Use enum for --color-by options (#80)

Full Changelog: v0.2.9...v0.3.0