Updated documentation with syntax highlighting.
Updated documentation with syntax highlighting.

Small documentation improvement for syntax highlighting in react native guide.
storybooks/storybook,kadirahq/react-storybook,storybooks/react-storybook,storybooks/react-storybook,storybooks/react-storybook,kadirahq/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook