Finish reorganizing frontend and imports are finally linted ! youpiiiii

frontend/src/store/index.js → frontend/src/redux/store.js

 import { createStore, applyMiddleware } from "redux";
-import rootReducer from "../reducers/index";
+import rootReducer from "./reducers/index";
 
 import thunkMiddleware from "redux-thunk";
 import { createLogger } from "redux-logger";
@@ -7,7 +7,7 @@ import { createLogger } from "redux-logger";
 import {
   SAVE_APP_COLOR_PICKER,
   SAVE_APP_THEME
-} from "../actions/action-types";
+} from "./actions/action-types";
 
 const loggerMiddleware = createLogger(
   {