fix: include built css in storybook preview

Author: Alexis

.storybook/preview.js

@@ -3,14 +3,15 @@ import { Provider } from 'react-redux';
 
 import ThemeProvider from '../client/modules/App/components/ThemeProvider';
 import configureStore from '../client/store';
+import '../client/styles/build/css/main.css'
 
 const initialState = window.__INITIAL_STATE__;
 
 const store = configureStore(initialState);
 
 export const decorators = [
   (Story) => (
-      <Provider store={store}>
+    <Provider store={store}>
       <ThemeProvider>
         <Story />
       </ThemeProvider>