use webpack & add some styles

browser/main/HomeContainer/reducer.js

@@ -1,10 +1,14 @@
-import {combineReducers} from 'redux'
+import { combineReducers } from 'redux'
+import { USER_UPDATE } from './actions'
 
 const initialCurrentUser = JSON.parse(localStorage.getItem('currentUser'))
 
 function currentUser (state, action) {
   switch (action.type) {
-
+    case USER_UPDATE:
+      let user = action.data
+      localStorage.setItem('currentUser', JSON.stringify(user))
+      return user
     default:
       return initialCurrentUser
   }