Add readme section to explain our choice to use generators (#1400)
Add readme section to explain our choice to use generators (#1400)

* Add readme section to explain our choice to use generators

* Remove explanation of how generators power redux saga concepts

It is irrelevant to the discussion explaining generators are more
powerful than Promises

redux-saga/redux-saga,yelouafi/redux-saga,redux-saga/redux-saga,yelouafi/redux-saga