Documentation: Configure plugins on top level in sample .babelrc
Documentation: Configure plugins on top level in sample .babelrc

Summary:
The plugins config in the example `.babelrc` must be on the top level, not inside the presets array.
Closes https://github.com/facebook/relay/pull/1440

Differential Revision: D4325909

Pulled By: wincent

fbshipit-source-id: 9c10ba99fb6b4303ab7f2c99166cf190e7097cb7

wincent/relay,wincent/relay,dbslone/relay,apalm/relay,xuorig/relay,zpao/relay,benjaminogles/relay,voideanvalue/relay,atxwebs/relay,freiksenet/relay,chentsulin/relay,yungsters/relay,iamchenxin/relay,wincent/relay,dbslone/relay,xuorig/relay,rosskevin/relay,voideanvalue/relay,cpojer/relay,josephsavona/relay,cpojer/relay,josephsavona/relay,iamchenxin/relay,xuorig/relay,atxwebs/relay,atxwebs/relay,facebook/relay,facebook/relay,kassens/relay,voideanvalue/relay,facebook/relay,chirag04/relay,wincent/relay,iamchenxin/relay,apalm/relay,freiksenet/relay,apalm/relay,zpao/relay,zpao/relay,cpojer/relay,facebook/relay,kassens/relay,atxwebs/relay,facebook/relay,voideanvalue/relay,xuorig/relay,wincent/relay,xuorig/relay,cpojer/relay,yungsters/relay,kassens/relay,xuorig/relay,facebook/relay,chentsulin/relay,josephsavona/relay,chentsulin/relay,voideanvalue/relay,benjaminogles/relay,kassens/relay,benjaminogles/relay,yungsters/relay,freiksenet/relay,chirag04/relay,iamchenxin/relay,kassens/relay,chirag04/relay,rosskevin/relay,kassens/relay,voideanvalue/relay,wincent/relay