refactor(infra): directory structure (#4615)

packages/frontend/core/src/index.tsx

@@ -0,0 +1,29 @@
+import { WorkspaceFallback } from '@affine/component/workspace';
+import { assertExists } from '@blocksuite/global/utils';
+import { getCurrentStore } from '@toeverything/infra/atom';
+import { StrictMode, Suspense } from 'react';
+import { createRoot } from 'react-dom/client';
+
+import { bootstrapPluginSystem } from './bootstrap/register-plugins';
+
+async function main() {
+  const { setup } = await import('./bootstrap/setup');
+  const rootStore = getCurrentStore();
+  await setup(rootStore);
+  bootstrapPluginSystem(rootStore).catch(err => {
+    console.error('Failed to bootstrap plugin system', err);
+  });
+  const { App } = await import('./app');
+  const root = document.getElementById('app');
+  assertExists(root);
+
+  createRoot(root).render(
+    <StrictMode>
+      <Suspense fallback={<WorkspaceFallback key="AppLoading" />}>
+        <App />
+      </Suspense>
+    </StrictMode>
+  );
+}
+
+await main();