add: display coins in TopBar

src/renderer/App.tsx

@@ -93,6 +93,17 @@ const App = () => {
   const handleRegister = () => {
     window.open('https://account.ely.by/register', '_blank');
   };
+  const [username, setUsername] = useState<string | null>(null);
+
+  useEffect(() => {
+    const savedConfig = localStorage.getItem('launcher_config');
+    if (savedConfig) {
+      const config = JSON.parse(savedConfig);
+      if (config.username) {
+        setUsername(config.username);
+      }
+    }
+  }, []);
 
   return (
     <Router>
@@ -109,7 +120,7 @@ const App = () => {
         }}
       >
         <MinecraftBackground />
-        <TopBar onRegister={handleRegister} />
+        <TopBar onRegister={handleRegister} username={username} />
         <Notifier />
         <Routes>
           <Route path="/login" element={<Login />} />