git clone https://github.com/honmaple/emacs-maple-explorer ~/.emacs.d/site-lisp/maple-explorer
(require 'maple-explorer)
(when (and (display-graphic-p) *icon*) (maple-explorer-icon-mode))
;; with use-package
(use-package maple-explorer
:quelpa (:fetcher github :repo "honmaple/emacs-maple-explorer")
:commands (maple-explorer-file maple-explorer-buffer maple-explorer-imenu maple-explorer-recentf)
:config
(setq maple-explorer-file-display-alist '((side . left) (slot . -1))))