New project structure

New folder structure
Changed to type:module
Moved routes to separate files

node_modules/cors/CONTRIBUTING.md

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+# contributing to `cors`
+
+CORS is a node.js package for providing a [connect](http://www.senchalabs.org/connect/)/[express](http://expressjs.com/) middleware that can be used to enable [CORS](http://en.wikipedia.org/wiki/Cross-origin_resource_sharing) with various options. Learn more about the project in [the README](README.md).
+
+## The CORS Spec
+
+[http://www.w3.org/TR/cors/](http://www.w3.org/TR/cors/)
+
+## Pull Requests Welcome
+
+* Include `'use strict';` in every javascript file.
+* 2 space indentation.
+* Please run the testing steps below before submitting.
+
+## Testing
+
+```bash
+$ npm install
+$ npm test
+```
+
+## Interactive Testing Harness
+
+[http://node-cors-client.herokuapp.com](http://node-cors-client.herokuapp.com)
+
+Related git repositories:
+
+* [https://github.com/TroyGoode/node-cors-server](https://github.com/TroyGoode/node-cors-server)
+* [https://github.com/TroyGoode/node-cors-client](https://github.com/TroyGoode/node-cors-client)
+
+## License
+
+[MIT License](http://www.opensource.org/licenses/mit-license.php)