Add React + Styled Components Example

[jeremytenjo]

It would be helpful to have a React + Styled Components build example.

Thank you.

[sdegutis]

I have a PR (#64) to add React steps.

Styled components will need me to fork that similarly to how I did for React/ReactDOM, but essentially it'll use the same technique.

[FredKSchott]

Thanks for the request! Added to our call for examples section of EXAMPLES.md
@sdegutis this may be possible without forking SC now that CJS support is merged to master.