reorganize imports

src/App.tsx

@@ -1,10 +1,9 @@
 import React from 'react';
 import { BrowserRouter, Routes, Route } from 'react-router-dom';
 import { Auth, Login, Logout, NavBar, Overview } from './components';
-import { AuthProvider, TimeProvider } from './contexts';
-import './App.css';
+import { AuthProvider, ThemeProvider, TimeProvider } from './contexts';
 import { Airport } from './components/airport';
-import { ThemeProvider } from './contexts/themecontext';
+import './App.css';
 
 const App: React.FC = () => (
   <>