message: add: add disable scene of Fog
diff: @@ -5,7 +5,13 @@ import Viewer from "../Viewer";
  import Fog from "../Fog";
  export default () => {
  - storiesOf("Fog", module).add("default", () => (
  + storiesOf("Fog", module)
  + .add("default", () => (
  + <Viewer full>
  + <Fog />
  + </Viewer>
  + ))
  + .add("disabled", () => (
  <Viewer full>
  <Fog enabled={false} />
  </Viewer>
  