Move app into app directory

web/src/components/PartReactionsCell/PartReactionsCell.stories.js

@@ -1,20 +0,0 @@
-import { Loading, Empty, Failure, Success } from './PartReactionsCell'
-import { standard } from './PartReactionsCell.mock'
-
-export const loading = () => {
-  return Loading ? <Loading /> : null
-}
-
-export const empty = () => {
-  return Empty ? <Empty /> : null
-}
-
-export const failure = () => {
-  return Failure ? <Failure error={new Error('Oh no')} /> : null
-}
-
-export const success = () => {
-  return Success ? <Success {...standard()} /> : null
-}
-
-export default { title: 'Cells/PartReactionsCell' }