message: Fix broken links in README file
diff: @@ -154,9 +154,9 @@ There are many ways to contribute to Maker.js:
  * Create a demo for the [gallery](http://maker.js.org/demos/#content).
  * Create lessons or videos for the [documentation](http://maker.js.org/docs/#content).
  * Enhance the [website](https://github.com/Microsoft/maker.js/tree/gh-pages).
  -* Add features to the [Playground app](https://github.com/Microsoft/maker.js/tree/master/playground).
  +* Add features to the [Playground app](https://maker.js.org/playground/).
  * Create a new Maker.js app, and we will link to it here.
  -* Find some TODO's in the [core source code](https://github.com/Microsoft/maker.js/tree/master/src).
  +* Find some TODO's in the [core source code](https://github.com/Microsoft/maker.js/tree/master).
  * Create unit tests for the core.
  Some of these may require a [contributor agreement](https://github.com/Microsoft/maker.js/blob/master/CONTRIBUTING.md).
  