JavaScript 関係のプラグインを入れる

### やりたいこと

JavaScript  を書くのに便利な Vim プラグインを入れたい

### TO-DO

* [x] [vim-javascript](https://github.com/pangloss/vim-javascript)
* [x] [vim-javascript-syntax](https://github.com/jelera/vim-javascript-syntax)
* [ ] [tern_for_vim](https://github.com/marijnh/tern_for_vim)
* [ ] [JavaScript-Indent](https://github.com/vim-scripts/JavaScript-Indent)
* [x] [javascript-libraries-syntax.vim](https://github.com/othree/javascript-libraries-syntax.vim)
* [ ] https://github.com/joyent/node/wiki/Vim-Plugins
* [ ] https://github.com/jiangmiao/simple-javascript-indenter