Create a theme generator

Create a theme generator (something like [this](https://material.io/resources/color/#!/?view.left=0&view.right=0&primary.color=7E57C2)) so that developers will be able to tweak couple of inputs and then generate js file containing [theme object ](https://github.com/arturbien/React95/blob/master/src/components/common/themes.js)