Added Emmet Mode

Emmet Mode is a minor mode providing support for
Zen Coding by producing HTML from CSS-like selectors

→ https://github.com/smihica/emmet-mode

lisp/init-emmet-mode.el

@@ -0,0 +1,6 @@
+;; emmet-mode
+(require-package 'emmet-mode)
+(add-hook 'sgml-mode-hook 'emmet-mode) ;; Auto-start on any markup modes
+(add-hook 'css-mode-hook  'emmet-mode) ;; enable Emmet's css abbreviation.
+
+(provide 'init-emmet-mode)