storysource: Add default parser option. Support prettier v0.13.0 ( #3657 )
storysource: Add default parser option. Support prettier v0.13.0 ( #3657 )

storybooks/react-storybook,kadirahq/react-storybook,storybooks/storybook,storybooks/react-storybook,storybooks/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook