File System Navigation with ZSH

Adds functions and keybindings for easily navigating the file system. Uses the skim fuzzy finder.

To use it, add zsh-fs-navigation to the plugins array in your zshrc file:

plugins=(... zsh-fs-navigation)

Keyboard Shortcuts

Shortcut	Description
`Alt` + `Left`	Go to previous sibling in FS tree
`Alt` + `Right`	Go to next sibling in FS tree
`Alt` + `Up`	Go to parent directory
`Alt` + `Down`	Choose sub directory in current director