Update example
Update example

* Changed name to 'Form Playground'.
* Add a `validatePristine` option.* Add a `validatePristine` option.
* Add support for the `elementOnly` layout.

twisty/formsy-react-components,twisty/formsy-react-components,frederickfogerty/formsy-react-components,mkontula/formsy-react-components,smichs/formsy-react-components,twisty/formsy-react-components,smichs/formsy-react-components,gwely/formsy-react-components,nabbesh/formsy-react-components,kishorevarma/formsy-bulma-components,wkerswell/formsy-react-components,nabbesh/formsy-react-components