style: use arrow functions for components

#167

Author: azinit

src/index.tsx

@@ -6,16 +6,14 @@ import { loadLocalStorageFromDevIfNeeded } from ".deploy";
 import "normalize.css";
 import "antd/dist/antd.css";
 
-function renderApp() {
+loadLocalStorageFromDevIfNeeded().then(() => {
     ReactDOM.render(
         <React.StrictMode>
             <App />
         </React.StrictMode>,
         document.getElementById("root"),
     );
-}
-
-loadLocalStorageFromDevIfNeeded().then(renderApp);
+});
 
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.