message: docs: add float to style props table
diff: @@ -345,19 +345,22 @@ import { Box, Text } from "@chakra-ui/core"
  ### Pseudo
  ```jsx live=false
  -import { Button } from '@chakra-ui/core'
  +import { Button } from "@chakra-ui/core"
  // :hover style
  -<Button colorScheme="teal" _hover={{
  +;<Button
  + colorScheme="teal"
  + _hover={{
  background: "white",
  - color: "teal.500"
  -}}>
  + color: "teal.500",
  + }}
  +>
  Hover me
  </Button>
  ```
  | Prop | CSS Property | Theme Field |
  -| --------------- | ----------------------------------------------------------------------- | ----------- |
  +| ---------------- | ------------------------------------------------------------------------ | ----------- |
  | `_hover` | `:hover`,<br/>`[data-hover]` | none |
  | `_active` | `:active`,<br/>`[data-active]` | none |
  | `_focus` | `:focus`,<br/>`[data-focus]` | none |
  @@ -423,6 +426,7 @@ following props:
  | `objectFit` | `object-fit` | none |
  | `objectPosition` | `object-position` | none |
  | `objectPosition` | `object-position` | none |
  +| `float` | `float` | none |
  | `fill` | `fill` | `colors` |
  | `stroke` | `stroke` | `colors` |
  | `outline` | `outline` | none |
  