Fix api docs: getConfig noindex (#520)
Fix api docs: getConfig noindex (#520)

Change from `noIndex` to `noindex`.
Fix indent on `dev: Boolean`.

Related warning when running `build`:
https://github.com/nozzle/react-static/blob/master/src/static/getConfig.js#L122I
nozzle/react-static,nozzle/react-static