chore: implement store and reducer file

Author: akarpas

src/reducers/index.js

@@ -0,0 +1,7 @@
+import { combineReducers } from 'redux';
+
+const rootReducer = combineReducers({
+  state: () => ({})
+});
+
+export default rootReducer;

src/store.js

@@ -0,0 +1,21 @@
+import { createStore, applyMiddleware, compose } from 'redux';
+import thunk from 'redux-thunk';
+import logger from 'redux-logger';
+
+import rootReducer from './reducers';
+
+const middleware = applyMiddleware(thunk, logger);
+
+const reduxDevTools =
+    window.__REDUX_DEVTOOLS_EXTENSION__ &&
+    window.__REDUX_DEVTOOLS_EXTENSION__();
+
+const store = createStore(
+  rootReducer,
+  compose(
+    middleware,
+    reduxDevTools
+  )
+);
+
+export default store;