feat: Add withStyles and useTheme helpers from MUI

to avoid importing MUI just for them

react/helpers/useTheme.js

@@ -0,0 +1,2 @@
+import { useTheme } from '@material-ui/core'
+export default useTheme

react/helpers/withStyles.js

@@ -0,0 +1,2 @@
+import { withStyles } from '@material-ui/core/styles'
+export default withStyles

react/index.js

@@ -29,6 +29,8 @@ export { default as AccordionDetails } from './MuiCozyTheme/AccordionDetails'
 export { default as Toggle } from './Toggle'
 export { default as withBreakpoints } from './helpers/withBreakpoints'
 export { default as makeStyles } from './helpers/makeStyles'
+export { default as withStyles } from './helpers/withStyles'
+export { default as useTheme } from './helpers/useTheme'
 export { default as useBreakpoints } from './hooks/useBreakpoints'
 export { default as useBrowserOffline } from './hooks/useBrowserOffline'
 export { Media, Img, Bd } from './Media'