Update file naming and structure for mobile support

src/main.tsx

@@ -1,14 +1,14 @@
 import {StrictMode} from 'react'
 import {createRoot} from 'react-dom/client'
 import './index.css'
-import App from './App.tsx'
+import DesktopApp from './ui/Desktop/DesktopApp.tsx'
 import {ThemeProvider} from "@/components/theme-provider"
 import './i18n/i18n' // Initialize i18n
 
 createRoot(document.getElementById('root')!).render(
     <StrictMode>
         <ThemeProvider defaultTheme="dark" storageKey="vite-ui-theme">
-            <App/>
+            <DesktopApp/>
         </ThemeProvider>
     </StrictMode>,
 )