update configure-store.dev

src/store/configure-store.dev.js

 import { createStore, applyMiddleware } from 'redux';
-import { composeWithDevTools } from 'redux-devtools-extension/developmentOnly';
+import { composeWithDevTools } from 'redux-devtools-extension';
 import thunk from 'redux-thunk';
 import rootReducer from '../reducers';