reorganize components and add root import plugin

src/store/index.js

@@ -0,0 +1,11 @@
+import { configureStore } from '@reduxjs/toolkit';
+
+import convoReducer from './convoSlice.js';
+import messageReducer from './messageSlice.js'
+
+export const store = configureStore({
+  reducer: {
+    convo: convoReducer,
+    messages: messageReducer,
+  },
+});