Dirhistory plugin

This plugin adds keyboard shortcuts for navigating directory history and hierarchy.

To use it, add dirhistory to the plugins array in your zshrc file:

plugins=(... dirhistory)

Keyboard Shortcuts

Shortcut	Description
`alt` + `left`	Go to previous directory
`alt` + `right`	Undo `alt` + `left`
`alt` + `up`	Move into the parent directory
`alt` + `down`	Move into the first child directory by alphabetical order