docs(style-guide): added ng2 snippets for vim

closes #1381

Author: mhartington

public/docs/ts/latest/guide/style-guide.jade

@@ -1974,4 +1974,6 @@ a(href="#toc") Back to top
 
     **Consider** using [snippets](https://github.com/orizens/sublime-angular2-snippets) for [Sublime Text](http://www.sublimetext.com/) that follow these styles and guidelines.
 
+    **Consider** using [snippets](https://github.com/mhartington/vim-angular2-snippets) for [Vim](http://www.vim.org/) that follow these styles and guidelines.
+
 a(href="#toc") Back to top