docs(MIGRATION): add steps to migrate backgrounds
docs(MIGRATION): add steps to migrate backgrounds

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