refactor(store): change file type .jsx to .js

src/app/store/index.jsx

@@ -1,16 +0,0 @@
-import { createStore, applyMiddleware } from 'redux'
-import {composeWithDevTools} from 'redux-devtools-extension/developmentOnly';
-import thunk from 'redux-thunk';
-import reducer from './reducers'
-import {createLogger} from 'redux-logger';
-
-const logger = createLogger();
-const store = createStore(
-    reducer,
-    composeWithDevTools(
-        /* logger must be the last middleware in chain to log actions */
-        applyMiddleware(thunk, logger)
-    )
-  );
-
-export default store;