fix: rename to .jsx

ui/src/App.tsx

@@ -1,22 +0,0 @@
-import Topbar from "./components/Topbar";
-import Sidebar from "./components/Sidebar";
-import { ConfigProvider } from 'antd';
-import { BrowserRouter } from 'react-router-dom'
-
-const App = () => (
-  <ConfigProvider
-    theme={{
-      token: {
-        colorPrimary: '#ff00c3',
-        borderRadius: 2,
-      },
-    }}
-  >
-    <BrowserRouter>
-      <Topbar />
-      <Sidebar /> 
-    </BrowserRouter>
-  </ConfigProvider>
-);
-
-export default App;

ui/src/main.jsx

@@ -1,6 +1,6 @@
 import React from 'react'
 import ReactDOM from 'react-dom/client'
-import App from './App.tsx'
+import App from './App.jsx'
 import './index.css'
 
 ReactDOM.createRoot(document.getElementById('root')!).render(