Add "Media" tab for rooms (#196)

* WIP on Media tab to rooms

* handle error for downloadFile if it's missing

* Add warning message for rooms Media tab

* Fix error message for download media of rooms

* update readme

src/index.tsx

@@ -2,7 +2,8 @@ import React from "react";
 
 import { createRoot } from "react-dom/client";
 
-import {App, AppContext } from "./App";
+import { App } from "./App";
+import { AppContext } from "./Context";
 import { FetchConfig, GetConfig } from "./utils/config";
 
 await FetchConfig();