add: emacs to brew install list
add: emacs config

init.el
* add package repsitories
  + gnu
  + org
  + melpa
* config packages
  + evil-mode: on
  + evil-surround: on
  + evil-nerd-commenter: on
  + twilight-bright-theme: on
  + menu-bar: off
  + js-indent-lever: 2
  + line-numbers: on
  + backups: off
  + whitespace-mode: on (face, tabs, trailing, and empty)

.gitignore
  * elpa
  * auto-save-list