Imports of package cli

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/docker/docker/pkg/term
github.com/pkg/errorsPackage errors provides simple error handling primitives.
github.com/spf13/cobraPackage cobra is a commander providing a simple interface to create powerful modern CLI interfaces.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.