Translate state and lifecycle page (reactjs#39)

* translated the first part of the state and life cycle doc

* translated section covert function for a class

* translated section adding local state to class

* translated section adding lifecycle methods to a class

* translated section using state correctly

* translated section the date flows down

fix

* Revert internal link translations

* treating according to its context

* Update content/docs/state-and-lifecycle.md

Co-Authored-By: jhonmike <[email protected]>

* Update content/docs/state-and-lifecycle.md

Co-Authored-By: jhonmike <[email protected]>

* leaving title in capital

Author: Jhon Mike