refactor: isolate commands into separate sub-packages (!229) · Merge requests · GitLab.org / cli

As discussed in #157 (closed) and to improve test isolation when exercising cobra commands, this PR isolates the commands to their own packages.

Migrates old configuration to new config format to allow for backward compatibility #170 (closed)
Also replaces https://github.com/gookit/color with https://github.com/mattn/go-colorable for debian packaging #205 (closed)

Related Issue

Fixes #157 (closed)

refactor: isolate commands into separate sub-packages