setup electron multi-window architecture (#102)

* prototype with two windows

* use deps in separate window render process

* enhance autoplay into desktop overlay

* fix: autoplay window not applying tailwind styles

js/src/autoplay_window/renderer.tsx

@@ -0,0 +1,6 @@
+import { createRoot } from 'react-dom/client';
+import { AutoplayApp } from './AutoplayApp';
+import '@/styles/globals.css';
+
+const root = createRoot(document.getElementById('root')!);
+root.render(<AutoplayApp />);