Integrate Redux for state management, replace useState with Redux store

store.ts

@@ -0,0 +1,11 @@
+import { configureStore } from '@reduxjs/toolkit';
+import qrCodesReducer from './reducers/qrCodesReducer';
+
+const store = configureStore({
+  reducer: {
+    qrCodes: qrCodesReducer,
+  },
+});
+
+export type RootState = ReturnType<typeof store.getState>;
+export default store;