Fix Typescript Integration documentation
Fix Typescript Integration documentation

`--metro-config` options is for `storybook-start`, so `storybook --metro-config $PWD/rn-cli.config.js` will be an error.
storybooks/react-storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,storybooks/react-storybook