Set up ruby development tasks

webdev-setup-tools-ruby
=======================
This is a plugin for webdev-setup-tools .
npm install webdev-setup-tools-ruby --save
This plugin determines the packages to install from the "web-dev-setup-tools" field in the package.json your project root.
This field typically has the following syntax:
``sh`
"web-dev-setup-tools": {
"ruby": {
"install": "^2.0.0",
"gems": {
// gems to install ...
}
},
// other packages to install ...
}Usage
Install ruby
`sh`
let setup_tools = require('webdev-setup-tools-ruby');
setup_tools.installRuby();
* 1.0.0 Initial release