message: docs: Update _groupHover parent attribute info
  Group Hover docs in 1.0 is missing some information details still not brought from 0.8.0 docs. I just added the role="group, as this is required for _groupHover to work
diff: @@ -390,7 +390,9 @@ import { Button } from "@chakra-ui/core"
  </Button>
  // apply :hover over parent element
  -<Box>
  +<Box
  + role="group"
  +>
  <Box
  _hover={{ fontWeight: 'semibold' }}
  _groupHover={{ color: 'tomato' }}
  