taken from:

• spacemacs evilify
• mohsenil85/evil-evilified-state

to install

     (use-package aiern-aiernhide-state
       :load-path "path/where/you/cloned/aiern-aiernhide-state")

example

     (use-package dired
       :defer t
       :config
       (aiernhide-state-aiernhide dired-mode dired-mode-map
                                "j"         'aiern-next-line
                                "k"         'aiern-previous-line
                                "-"         'dired-up-directory
                                "0"         'dired-back-to-start-of-files
                                (kbd "C-j") 'dired-next-subdir
                                (kbd "C-k") 'dired-prev-subdir
                                "I"         'vinegar/dotfiles-toggle
                                (kbd "~")   '(lambda ()(interactive) (find-alternate-file "~/"))
                                (kbd "RET") 'dired-find-file-other-window
                                "f"         'helm-find-files
                                "J"         'dired-goto-file
                                (kbd "C-f") 'find-name-dired
                                "H"         'diredp-dired-recent-dirs
                                "T"         'dired-tree-down
                                "K"         'dired-do-kill-lines
                                "r"         'revert-buffer
                                (kbd "C-r") 'dired-do-redisplay
                                "gg"        'aiern-goto-first-line
                                "G"         'aiern-goto-line))