Add an aliasing system that works for all asset types

Is there a way to define alias ? Like webpack config:

![2017-12-06 10 16 24](https://user-images.githubusercontent.com/6788752/33640985-925ebe8c-da6e-11e7-8db4-6a9de57476bd.png)
