Update index.jsx

According to https://www.solidjs.com/guides/rendering#entry
> The first argument needs to be a function. Otherwise we can't properly track and schedule the reactive system. This simple ommission will cause your Effects not to run.

js/src/index.jsx

@@ -4,4 +4,4 @@ import { render } from 'solid-js/web';
 import './index.css';
 import App from './App';
 
-render(App, document.getElementById('root'));
+render(() => <App />, document.getElementById('root'));