message: docs(image): add usage information for Img
  Added a section to the Image docs that explicitly states
  the Img Component
diff: @@ -88,6 +88,15 @@ prop.
  - Added support for custom `fallback` component
  +## Usage with SSR
  +
  +```js
  +import { Img } from "@chakra-ui/core"
  +```
  +
  +The Img Component provides a fallback for SSR applications which uses the image
  +directly without client side checks.
  +
  ## Props
  | Name | Type | Default | Description |
  